20199874028

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{43133}}^1$

素因数の和:43322

約数の個数: 48

約数和(自身を含む): 38348541504

約数和(自身を除く): 18148667476

約数列:

[1, 2, 4, 17, 34, 68, 71, 97, 142, 194, 284, 388, 1207, 1649, 2414, 3298, 4828, 6596, 6887, 13774, 27548, 43133, 86266, 117079, 172532, 234158, 468316, 733261, 1466522, 2933044, 3062443, 4183901, 6124886, 8367802, 12249772, 16735604, 52061531, 71126317, 104123062, 142252634, 208246124, 284505268, 297056971, 594113942, 1188227884, 5049968507, 10099937014, 20199874028]

約数ペア:

[(1, 20199874028), (2, 10099937014), (4, 5049968507), (17, 1188227884), (34, 594113942), (68, 297056971), (71, 284505268), (97, 208246124), (142, 142252634), (194, 104123062), (284, 71126317), (388, 52061531), (1207, 16735604), (1649, 12249772), (2414, 8367802), (3298, 6124886), (4828, 4183901), (6596, 3062443), (6887, 2933044), (13774, 1466522), (27548, 733261), (43133, 468316), (86266, 234158), (117079, 172532)]