20512686843

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{31247}}^1$

素因数の和:31632

約数の個数: 48

約数和(自身を含む): 34122816000

約数和(自身を除く): 13610129157

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 349, 627, 1047, 1881, 3141, 3839, 6631, 11517, 19893, 31247, 34551, 59679, 72941, 93741, 218823, 281223, 343717, 593693, 656469, 1031151, 1781079, 3093453, 5343237, 6530623, 10905203, 19591869, 32715609, 58775607, 98146827, 119957233, 207198857, 359871699, 621596571, 1079615097, 1864789713, 2279187427, 6837562281, 20512686843]

約数ペア:

[(1, 20512686843), (3, 6837562281), (9, 2279187427), (11, 1864789713), (19, 1079615097), (33, 621596571), (57, 359871699), (99, 207198857), (171, 119957233), (209, 98146827), (349, 58775607), (627, 32715609), (1047, 19591869), (1881, 10905203), (3141, 6530623), (3839, 5343237), (6631, 3093453), (11517, 1781079), (19893, 1031151), (31247, 656469), (34551, 593693), (59679, 343717), (72941, 281223), (93741, 218823)]