20798909456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{16183}}^1$

素因数の和:16408

約数の個数: 80

約数和(自身を含む): 44840296704

約数和(自身を除く): 24041387248

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 167, 208, 296, 334, 481, 592, 668, 962, 1336, 1924, 2171, 2672, 3848, 4342, 6179, 7696, 8684, 12358, 16183, 17368, 24716, 32366, 34736, 49432, 64732, 80327, 98864, 129464, 160654, 210379, 258928, 321308, 420758, 598771, 642616, 841516, 1197542, 1285232, 1683032, 2395084, 2702561, 3366064, 4790168, 5405122, 7784023, 9580336, 10810244, 15568046, 21620488, 31136092, 35133293, 43240976, 62272184, 70266586, 99994757, 124544368, 140533172, 199989514, 281066344, 399979028, 562132688, 799958056, 1299931841, 1599916112, 2599863682, 5199727364, 10399454728, 20798909456]

約数ペア:

[(1, 20798909456), (2, 10399454728), (4, 5199727364), (8, 2599863682), (13, 1599916112), (16, 1299931841), (26, 799958056), (37, 562132688), (52, 399979028), (74, 281066344), (104, 199989514), (148, 140533172), (167, 124544368), (208, 99994757), (296, 70266586), (334, 62272184), (481, 43240976), (592, 35133293), (668, 31136092), (962, 21620488), (1336, 15568046), (1924, 10810244), (2171, 9580336), (2672, 7784023), (3848, 5405122), (4342, 4790168), (6179, 3366064), (7696, 2702561), (8684, 2395084), (12358, 1683032), (16183, 1285232), (17368, 1197542), (24716, 841516), (32366, 642616), (34736, 598771), (49432, 420758), (64732, 321308), (80327, 258928), (98864, 210379), (129464, 160654)]