20171119060

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{879299}}^1$

素因数の和:879376

約数の個数: 48

約数和(自身を含む): 44907609600

約数和(自身を除く): 24736490540

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 740, 1147, 2294, 4588, 5735, 11470, 22940, 879299, 1758598, 3517196, 4396495, 8792990, 17585980, 27258269, 32534063, 54516538, 65068126, 109033076, 130136252, 136291345, 162670315, 272582690, 325340630, 545165380, 650681260, 1008555953, 2017111906, 4034223812, 5042779765, 10085559530, 20171119060]

約数ペア:

[(1, 20171119060), (2, 10085559530), (4, 5042779765), (5, 4034223812), (10, 2017111906), (20, 1008555953), (31, 650681260), (37, 545165380), (62, 325340630), (74, 272582690), (124, 162670315), (148, 136291345), (155, 130136252), (185, 109033076), (310, 65068126), (370, 54516538), (620, 32534063), (740, 27258269), (1147, 17585980), (2294, 8792990), (4588, 4396495), (5735, 3517196), (11470, 1758598), (22940, 879299)]