20100545408

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{249659}}^1$

素因数の和:249727

約数の個数: 64

約数和(自身を含む): 43545697200

約数和(自身を除く): 23445151792

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 37, 64, 68, 74, 128, 136, 148, 272, 296, 544, 592, 629, 1088, 1184, 1258, 2176, 2368, 2516, 4736, 5032, 10064, 20128, 40256, 80512, 249659, 499318, 998636, 1997272, 3994544, 4244203, 7989088, 8488406, 9237383, 15978176, 16976812, 18474766, 31956352, 33953624, 36949532, 67907248, 73899064, 135814496, 147798128, 157035511, 271628992, 295596256, 314071022, 543257984, 591192512, 628142044, 1182385024, 1256284088, 2512568176, 5025136352, 10050272704, 20100545408]

約数ペア:

[(1, 20100545408), (2, 10050272704), (4, 5025136352), (8, 2512568176), (16, 1256284088), (17, 1182385024), (32, 628142044), (34, 591192512), (37, 543257984), (64, 314071022), (68, 295596256), (74, 271628992), (128, 157035511), (136, 147798128), (148, 135814496), (272, 73899064), (296, 67907248), (544, 36949532), (592, 33953624), (629, 31956352), (1088, 18474766), (1184, 16976812), (1258, 15978176), (2176, 9237383), (2368, 8488406), (2516, 7989088), (4736, 4244203), (5032, 3994544), (10064, 1997272), (20128, 998636), (40256, 499318), (80512, 249659)]