20687535275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1$

素因数の和:525

約数の個数: 96

約数和(自身を含む): 29638103040

約数和(自身を除く): 8950567765

約数列:

[1, 5, 11, 25, 37, 47, 55, 181, 185, 235, 239, 275, 407, 517, 905, 925, 1175, 1195, 1739, 1991, 2035, 2585, 2629, 4525, 5975, 6697, 8507, 8695, 8843, 9955, 10175, 11233, 12925, 13145, 19129, 33485, 42535, 43259, 43475, 44215, 49775, 56165, 65725, 73667, 93577, 95645, 97273, 123563, 167425, 212675, 216295, 221075, 280825, 314759, 368335, 415621, 467885, 475849, 478225, 486365, 617815, 1081475, 1573795, 1600583, 1841675, 2033173, 2078105, 2339425, 2379245, 2431825, 3089075, 3462349, 4571831, 7868975, 8002915, 10165865, 10390525, 11896225, 17311745, 17606413, 22364903, 22859155, 40014575, 50829325, 75227401, 86558725, 88032065, 111824515, 114295775, 376137005, 440160325, 559122575, 827501411, 1880685025, 4137507055, 20687535275]

約数ペア:

[(1, 20687535275), (5, 4137507055), (11, 1880685025), (25, 827501411), (37, 559122575), (47, 440160325), (55, 376137005), (181, 114295775), (185, 111824515), (235, 88032065), (239, 86558725), (275, 75227401), (407, 50829325), (517, 40014575), (905, 22859155), (925, 22364903), (1175, 17606413), (1195, 17311745), (1739, 11896225), (1991, 10390525), (2035, 10165865), (2585, 8002915), (2629, 7868975), (4525, 4571831), (5975, 3462349), (6697, 3089075), (8507, 2431825), (8695, 2379245), (8843, 2339425), (9955, 2078105), (10175, 2033173), (11233, 1841675), (12925, 1600583), (13145, 1573795), (19129, 1081475), (33485, 617815), (42535, 486365), (43259, 478225), (43475, 475849), (44215, 467885), (49775, 415621), (56165, 368335), (65725, 314759), (73667, 280825), (93577, 221075), (95645, 216295), (97273, 212675), (123563, 167425)]