20951472

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:346

約数の個数: 80

約数和(自身を含む): 56996352

約数和(自身を除く): 36044880

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 47, 48, 74, 94, 111, 141, 148, 188, 222, 251, 282, 296, 376, 444, 502, 564, 592, 752, 753, 888, 1004, 1128, 1506, 1739, 1776, 2008, 2256, 3012, 3478, 4016, 5217, 6024, 6956, 9287, 10434, 11797, 12048, 13912, 18574, 20868, 23594, 27824, 27861, 35391, 37148, 41736, 47188, 55722, 70782, 74296, 83472, 94376, 111444, 141564, 148592, 188752, 222888, 283128, 436489, 445776, 566256, 872978, 1309467, 1745956, 2618934, 3491912, 5237868, 6983824, 10475736, 20951472]

約数ペア:

[(1, 20951472), (2, 10475736), (3, 6983824), (4, 5237868), (6, 3491912), (8, 2618934), (12, 1745956), (16, 1309467), (24, 872978), (37, 566256), (47, 445776), (48, 436489), (74, 283128), (94, 222888), (111, 188752), (141, 148592), (148, 141564), (188, 111444), (222, 94376), (251, 83472), (282, 74296), (296, 70782), (376, 55722), (444, 47188), (502, 41736), (564, 37148), (592, 35391), (752, 27861), (753, 27824), (888, 23594), (1004, 20868), (1128, 18574), (1506, 13912), (1739, 12048), (1776, 11797), (2008, 10434), (2256, 9287), (3012, 6956), (3478, 6024), (4016, 5217)]