20218988320

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1973}}^1\times {\mathrm{3371}}^1$

素因数の和:5378

約数の個数: 96

約数和(自身を含む): 50321839680

約数和(自身を除く): 30102851360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 1973, 3040, 3371, 3946, 6742, 7892, 9865, 13484, 15784, 16855, 19730, 26968, 31568, 33710, 37487, 39460, 53936, 63136, 64049, 67420, 74974, 78920, 107872, 128098, 134840, 149948, 157840, 187435, 256196, 269680, 299896, 315680, 320245, 374870, 512392, 539360, 599792, 640490, 749740, 1024784, 1199584, 1280980, 1499480, 2049568, 2561960, 2998960, 5123920, 5997920, 6650983, 10247840, 13301966, 26603932, 33254915, 53207864, 66509830, 106415728, 126368677, 133019660, 212831456, 252737354, 266039320, 505474708, 532078640, 631843385, 1010949416, 1064157280, 1263686770, 2021898832, 2527373540, 4043797664, 5054747080, 10109494160, 20218988320]

約数ペア:

[(1, 20218988320), (2, 10109494160), (4, 5054747080), (5, 4043797664), (8, 2527373540), (10, 2021898832), (16, 1263686770), (19, 1064157280), (20, 1010949416), (32, 631843385), (38, 532078640), (40, 505474708), (76, 266039320), (80, 252737354), (95, 212831456), (152, 133019660), (160, 126368677), (190, 106415728), (304, 66509830), (380, 53207864), (608, 33254915), (760, 26603932), (1520, 13301966), (1973, 10247840), (3040, 6650983), (3371, 5997920), (3946, 5123920), (6742, 2998960), (7892, 2561960), (9865, 2049568), (13484, 1499480), (15784, 1280980), (16855, 1199584), (19730, 1024784), (26968, 749740), (31568, 640490), (33710, 599792), (37487, 539360), (39460, 512392), (53936, 374870), (63136, 320245), (64049, 315680), (67420, 299896), (74974, 269680), (78920, 256196), (107872, 187435), (128098, 157840), (134840, 149948)]