20199492120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{22531}}^1$

素因数の和:22817

約数の個数: 128

約数和(自身を含む): 62815610880

約数和(自身を除く): 42616118760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 241, 248, 310, 372, 465, 482, 620, 723, 744, 930, 964, 1205, 1240, 1446, 1860, 1928, 2410, 2892, 3615, 3720, 4820, 5784, 7230, 7471, 9640, 14460, 14942, 22413, 22531, 28920, 29884, 37355, 44826, 45062, 59768, 67593, 74710, 89652, 90124, 112065, 112655, 135186, 149420, 179304, 180248, 224130, 225310, 270372, 298840, 337965, 448260, 450620, 540744, 675930, 698461, 896520, 901240, 1351860, 1396922, 2095383, 2703720, 2793844, 3492305, 4190766, 5429971, 5587688, 6984610, 8381532, 10476915, 10859942, 13969220, 16289913, 16763064, 20953830, 21719884, 27149855, 27938440, 32579826, 41907660, 43439768, 54299710, 65159652, 81449565, 83815320, 108599420, 130319304, 162899130, 168329101, 217198840, 325798260, 336658202, 504987303, 651596520, 673316404, 841645505, 1009974606, 1346632808, 1683291010, 2019949212, 2524936515, 3366582020, 4039898424, 5049873030, 6733164040, 10099746060, 20199492120]

約数ペア:

[(1, 20199492120), (2, 10099746060), (3, 6733164040), (4, 5049873030), (5, 4039898424), (6, 3366582020), (8, 2524936515), (10, 2019949212), (12, 1683291010), (15, 1346632808), (20, 1009974606), (24, 841645505), (30, 673316404), (31, 651596520), (40, 504987303), (60, 336658202), (62, 325798260), (93, 217198840), (120, 168329101), (124, 162899130), (155, 130319304), (186, 108599420), (241, 83815320), (248, 81449565), (310, 65159652), (372, 54299710), (465, 43439768), (482, 41907660), (620, 32579826), (723, 27938440), (744, 27149855), (930, 21719884), (964, 20953830), (1205, 16763064), (1240, 16289913), (1446, 13969220), (1860, 10859942), (1928, 10476915), (2410, 8381532), (2892, 6984610), (3615, 5587688), (3720, 5429971), (4820, 4190766), (5784, 3492305), (7230, 2793844), (7471, 2703720), (9640, 2095383), (14460, 1396922), (14942, 1351860), (22413, 901240), (22531, 896520), (28920, 698461), (29884, 675930), (37355, 540744), (44826, 450620), (45062, 448260), (59768, 337965), (67593, 298840), (74710, 270372), (89652, 225310), (90124, 224130), (112065, 180248), (112655, 179304), (135186, 149420)]