20010386656

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{11273}}^1$

素因数の和:11564

約数の個数: 96

約数和(自身を含む): 45104478048

約数和(自身を除く): 25094091392

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 251, 272, 416, 442, 502, 544, 884, 1004, 1768, 2008, 3263, 3536, 4016, 4267, 6526, 7072, 8032, 8534, 11273, 13052, 17068, 22546, 26104, 34136, 45092, 52208, 55471, 68272, 90184, 104416, 110942, 136544, 146549, 180368, 191641, 221884, 293098, 360736, 383282, 443768, 586196, 766564, 887536, 1172392, 1533128, 1775072, 2344784, 2491333, 2829523, 3066256, 4689568, 4982666, 5659046, 6132512, 9965332, 11318092, 19930664, 22636184, 36783799, 39861328, 45272368, 48101891, 73567598, 79722656, 90544736, 96203782, 147135196, 192407564, 294270392, 384815128, 588540784, 625324583, 769630256, 1177081568, 1250649166, 1539260512, 2501298332, 5002596664, 10005193328, 20010386656]

約数ペア:

[(1, 20010386656), (2, 10005193328), (4, 5002596664), (8, 2501298332), (13, 1539260512), (16, 1250649166), (17, 1177081568), (26, 769630256), (32, 625324583), (34, 588540784), (52, 384815128), (68, 294270392), (104, 192407564), (136, 147135196), (208, 96203782), (221, 90544736), (251, 79722656), (272, 73567598), (416, 48101891), (442, 45272368), (502, 39861328), (544, 36783799), (884, 22636184), (1004, 19930664), (1768, 11318092), (2008, 9965332), (3263, 6132512), (3536, 5659046), (4016, 4982666), (4267, 4689568), (6526, 3066256), (7072, 2829523), (8032, 2491333), (8534, 2344784), (11273, 1775072), (13052, 1533128), (17068, 1172392), (22546, 887536), (26104, 766564), (34136, 586196), (45092, 443768), (52208, 383282), (55471, 360736), (68272, 293098), (90184, 221884), (104416, 191641), (110942, 180368), (136544, 146549)]