20418300

素因数分解:

$2^2\times 3^2\times 5^2\times 7^2\times {\mathrm{463}}^1$

素因数の和:497

約数の個数: 162

約数和(自身を含む): 74609808

約数和(自身を除く): 54191508

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 49, 50, 60, 63, 70, 75, 84, 90, 98, 100, 105, 126, 140, 147, 150, 175, 180, 196, 210, 225, 245, 252, 294, 300, 315, 350, 420, 441, 450, 463, 490, 525, 588, 630, 700, 735, 882, 900, 926, 980, 1050, 1225, 1260, 1389, 1470, 1575, 1764, 1852, 2100, 2205, 2315, 2450, 2778, 2940, 3150, 3241, 3675, 4167, 4410, 4630, 4900, 5556, 6300, 6482, 6945, 7350, 8334, 8820, 9260, 9723, 11025, 11575, 12964, 13890, 14700, 16205, 16668, 19446, 20835, 22050, 22687, 23150, 27780, 29169, 32410, 34725, 38892, 41670, 44100, 45374, 46300, 48615, 58338, 64820, 68061, 69450, 81025, 83340, 90748, 97230, 104175, 113435, 116676, 136122, 138900, 145845, 162050, 194460, 204183, 208350, 226870, 243075, 272244, 291690, 324100, 340305, 408366, 416700, 453740, 486150, 567175, 583380, 680610, 729225, 816732, 972300, 1020915, 1134350, 1361220, 1458450, 1701525, 2041830, 2268700, 2916900, 3403050, 4083660, 5104575, 6806100, 10209150, 20418300]

約数ペア:

[(1, 20418300), (2, 10209150), (3, 6806100), (4, 5104575), (5, 4083660), (6, 3403050), (7, 2916900), (9, 2268700), (10, 2041830), (12, 1701525), (14, 1458450), (15, 1361220), (18, 1134350), (20, 1020915), (21, 972300), (25, 816732), (28, 729225), (30, 680610), (35, 583380), (36, 567175), (42, 486150), (45, 453740), (49, 416700), (50, 408366), (60, 340305), (63, 324100), (70, 291690), (75, 272244), (84, 243075), (90, 226870), (98, 208350), (100, 204183), (105, 194460), (126, 162050), (140, 145845), (147, 138900), (150, 136122), (175, 116676), (180, 113435), (196, 104175), (210, 97230), (225, 90748), (245, 83340), (252, 81025), (294, 69450), (300, 68061), (315, 64820), (350, 58338), (420, 48615), (441, 46300), (450, 45374), (463, 44100), (490, 41670), (525, 38892), (588, 34725), (630, 32410), (700, 29169), (735, 27780), (882, 23150), (900, 22687), (926, 22050), (980, 20835), (1050, 19446), (1225, 16668), (1260, 16205), (1389, 14700), (1470, 13890), (1575, 12964), (1764, 11575), (1852, 11025), (2100, 9723), (2205, 9260), (2315, 8820), (2450, 8334), (2778, 7350), (2940, 6945), (3150, 6482), (3241, 6300), (3675, 5556), (4167, 4900), (4410, 4630)]