20171851905

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1\times {\mathrm{2377}}^1$

素因数の和:2710

約数の個数: 64

約数和(自身を含む): 33750097920

約数和(自身を除く): 13578246015

約数列:

[1, 3, 5, 15, 43, 59, 129, 177, 215, 223, 295, 645, 669, 885, 1115, 2377, 2537, 3345, 7131, 7611, 9589, 11885, 12685, 13157, 28767, 35655, 38055, 39471, 47945, 65785, 102211, 140243, 143835, 197355, 306633, 420729, 511055, 530071, 565751, 701215, 1533165, 1590213, 1697253, 2103645, 2650355, 2828755, 6030449, 7951065, 8486265, 18091347, 22793053, 30152245, 31274189, 68379159, 90456735, 93822567, 113965265, 156370945, 341895795, 469112835, 1344790127, 4034370381, 6723950635, 20171851905]

約数ペア:

[(1, 20171851905), (3, 6723950635), (5, 4034370381), (15, 1344790127), (43, 469112835), (59, 341895795), (129, 156370945), (177, 113965265), (215, 93822567), (223, 90456735), (295, 68379159), (645, 31274189), (669, 30152245), (885, 22793053), (1115, 18091347), (2377, 8486265), (2537, 7951065), (3345, 6030449), (7131, 2828755), (7611, 2650355), (9589, 2103645), (11885, 1697253), (12685, 1590213), (13157, 1533165), (28767, 701215), (35655, 565751), (38055, 530071), (39471, 511055), (47945, 420729), (65785, 306633), (102211, 197355), (140243, 143835)]