20465974804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{48487}}^1$

素因数の和:48736

約数の個数: 48

約数和(自身を含む): 40029365376

約数和(自身を除く): 19563390572

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 181, 212, 362, 583, 724, 1166, 1991, 2332, 3982, 7964, 9593, 19186, 38372, 48487, 96974, 105523, 193948, 211046, 422092, 533357, 1066714, 2133428, 2569811, 5139622, 8776147, 10279244, 17552294, 28267921, 35104588, 56535842, 96537617, 113071684, 193075234, 386150468, 465135791, 930271582, 1860543164, 5116493701, 10232987402, 20465974804]

約数ペア:

[(1, 20465974804), (2, 10232987402), (4, 5116493701), (11, 1860543164), (22, 930271582), (44, 465135791), (53, 386150468), (106, 193075234), (181, 113071684), (212, 96537617), (362, 56535842), (583, 35104588), (724, 28267921), (1166, 17552294), (1991, 10279244), (2332, 8776147), (3982, 5139622), (7964, 2569811), (9593, 2133428), (19186, 1066714), (38372, 533357), (48487, 422092), (96974, 211046), (105523, 193948)]