20003010004

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{1013}}^1\times {\mathrm{1321}}^1$

素因数の和:2476

約数の個数: 48

約数和(自身を含む): 36370663056

約数和(自身を除く): 16367653052

約数列:

[1, 2, 4, 37, 74, 101, 148, 202, 404, 1013, 1321, 2026, 2642, 3737, 4052, 5284, 7474, 14948, 37481, 48877, 74962, 97754, 102313, 133421, 149924, 195508, 204626, 266842, 409252, 533684, 1338173, 2676346, 3785581, 4936577, 5352692, 7571162, 9873154, 15142324, 19746308, 49512401, 99024802, 135155473, 198049604, 270310946, 540621892, 5000752501, 10001505002, 20003010004]

約数ペア:

[(1, 20003010004), (2, 10001505002), (4, 5000752501), (37, 540621892), (74, 270310946), (101, 198049604), (148, 135155473), (202, 99024802), (404, 49512401), (1013, 19746308), (1321, 15142324), (2026, 9873154), (2642, 7571162), (3737, 5352692), (4052, 4936577), (5284, 3785581), (7474, 2676346), (14948, 1338173), (37481, 533684), (48877, 409252), (74962, 266842), (97754, 204626), (102313, 195508), (133421, 149924)]