20168912820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1\times {\mathrm{3167}}^1$

素因数の和:3502

約数の個数: 192

約数和(自身を含む): 65910620160

約数和(自身を除く): 45741707340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 59, 60, 70, 84, 105, 118, 140, 177, 210, 236, 257, 295, 354, 413, 420, 514, 590, 708, 771, 826, 885, 1028, 1180, 1239, 1285, 1542, 1652, 1770, 1799, 2065, 2478, 2570, 3084, 3167, 3540, 3598, 3855, 4130, 4956, 5140, 5397, 6195, 6334, 7196, 7710, 8260, 8995, 9501, 10794, 12390, 12668, 15163, 15420, 15835, 17990, 19002, 21588, 22169, 24780, 26985, 30326, 31670, 35980, 38004, 44338, 45489, 47505, 53970, 60652, 63340, 66507, 75815, 88676, 90978, 95010, 106141, 107940, 110845, 133014, 151630, 181956, 186853, 190020, 212282, 221690, 227445, 266028, 303260, 318423, 332535, 373706, 424564, 443380, 454890, 530705, 560559, 636846, 665070, 747412, 813919, 909780, 934265, 1061410, 1121118, 1273692, 1307971, 1330140, 1592115, 1627838, 1868530, 2122820, 2242236, 2441757, 2615942, 2802795, 3184230, 3255676, 3737060, 3923913, 4069595, 4883514, 5231884, 5605590, 5697433, 6368460, 6539855, 7847826, 8139190, 9767028, 11211180, 11394866, 12208785, 13079710, 15695652, 16278380, 17092299, 19619565, 22789732, 24417570, 26159420, 28487165, 34184598, 39239130, 48021221, 48835140, 56974330, 68369196, 78478260, 85461495, 96042442, 113948660, 144063663, 170922990, 192084884, 240106105, 288127326, 336148547, 341845980, 480212210, 576254652, 672297094, 720318315, 960424420, 1008445641, 1344594188, 1440636630, 1680742735, 2016891282, 2881273260, 3361485470, 4033782564, 5042228205, 6722970940, 10084456410, 20168912820]

約数ペア:

[(1, 20168912820), (2, 10084456410), (3, 6722970940), (4, 5042228205), (5, 4033782564), (6, 3361485470), (7, 2881273260), (10, 2016891282), (12, 1680742735), (14, 1440636630), (15, 1344594188), (20, 1008445641), (21, 960424420), (28, 720318315), (30, 672297094), (35, 576254652), (42, 480212210), (59, 341845980), (60, 336148547), (70, 288127326), (84, 240106105), (105, 192084884), (118, 170922990), (140, 144063663), (177, 113948660), (210, 96042442), (236, 85461495), (257, 78478260), (295, 68369196), (354, 56974330), (413, 48835140), (420, 48021221), (514, 39239130), (590, 34184598), (708, 28487165), (771, 26159420), (826, 24417570), (885, 22789732), (1028, 19619565), (1180, 17092299), (1239, 16278380), (1285, 15695652), (1542, 13079710), (1652, 12208785), (1770, 11394866), (1799, 11211180), (2065, 9767028), (2478, 8139190), (2570, 7847826), (3084, 6539855), (3167, 6368460), (3540, 5697433), (3598, 5605590), (3855, 5231884), (4130, 4883514), (4956, 4069595), (5140, 3923913), (5397, 3737060), (6195, 3255676), (6334, 3184230), (7196, 2802795), (7710, 2615942), (8260, 2441757), (8995, 2242236), (9501, 2122820), (10794, 1868530), (12390, 1627838), (12668, 1592115), (15163, 1330140), (15420, 1307971), (15835, 1273692), (17990, 1121118), (19002, 1061410), (21588, 934265), (22169, 909780), (24780, 813919), (26985, 747412), (30326, 665070), (31670, 636846), (35980, 560559), (38004, 530705), (44338, 454890), (45489, 443380), (47505, 424564), (53970, 373706), (60652, 332535), (63340, 318423), (66507, 303260), (75815, 266028), (88676, 227445), (90978, 221690), (95010, 212282), (106141, 190020), (107940, 186853), (110845, 181956), (133014, 151630)]