20025320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{601}}^1$

素因数の和:643

約数の個数: 96

約数和(自身を含む): 55588680

約数和(自身を除く): 35563360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 85, 98, 119, 136, 140, 170, 196, 238, 245, 280, 340, 392, 476, 490, 595, 601, 680, 833, 952, 980, 1190, 1202, 1666, 1960, 2380, 2404, 3005, 3332, 4165, 4207, 4760, 4808, 6010, 6664, 8330, 8414, 10217, 12020, 16660, 16828, 20434, 21035, 24040, 29449, 33320, 33656, 40868, 42070, 51085, 58898, 71519, 81736, 84140, 102170, 117796, 143038, 147245, 168280, 204340, 235592, 286076, 294490, 357595, 408680, 500633, 572152, 588980, 715190, 1001266, 1177960, 1430380, 2002532, 2503165, 2860760, 4005064, 5006330, 10012660, 20025320]

約数ペア:

[(1, 20025320), (2, 10012660), (4, 5006330), (5, 4005064), (7, 2860760), (8, 2503165), (10, 2002532), (14, 1430380), (17, 1177960), (20, 1001266), (28, 715190), (34, 588980), (35, 572152), (40, 500633), (49, 408680), (56, 357595), (68, 294490), (70, 286076), (85, 235592), (98, 204340), (119, 168280), (136, 147245), (140, 143038), (170, 117796), (196, 102170), (238, 84140), (245, 81736), (280, 71519), (340, 58898), (392, 51085), (476, 42070), (490, 40868), (595, 33656), (601, 33320), (680, 29449), (833, 24040), (952, 21035), (980, 20434), (1190, 16828), (1202, 16660), (1666, 12020), (1960, 10217), (2380, 8414), (2404, 8330), (3005, 6664), (3332, 6010), (4165, 4808), (4207, 4760)]