20996868410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2309}}^1\times {\mathrm{3511}}^1$

素因数の和:5871

約数の個数: 64

約数和(自身を含む): 44392803840

約数和(自身を除く): 23395935430

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2309, 2590, 3511, 4618, 7022, 11545, 16163, 17555, 23090, 24577, 32326, 35110, 49154, 80815, 85433, 122885, 129907, 161630, 170866, 245770, 259814, 427165, 598031, 649535, 854330, 909349, 1196062, 1299070, 1818698, 2990155, 4546745, 5980310, 8106899, 9093490, 16213798, 40534495, 56748293, 81068990, 113496586, 283741465, 299955263, 567482930, 599910526, 1499776315, 2099686841, 2999552630, 4199373682, 10498434205, 20996868410]

約数ペア:

[(1, 20996868410), (2, 10498434205), (5, 4199373682), (7, 2999552630), (10, 2099686841), (14, 1499776315), (35, 599910526), (37, 567482930), (70, 299955263), (74, 283741465), (185, 113496586), (259, 81068990), (370, 56748293), (518, 40534495), (1295, 16213798), (2309, 9093490), (2590, 8106899), (3511, 5980310), (4618, 4546745), (7022, 2990155), (11545, 1818698), (16163, 1299070), (17555, 1196062), (23090, 909349), (24577, 854330), (32326, 649535), (35110, 598031), (49154, 427165), (80815, 259814), (85433, 245770), (122885, 170866), (129907, 161630)]