19765560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9689}}^1$

素因数の和:9720

約数の個数: 64

約数和(自身を含む): 62791200

約数和(自身を除く): 43025640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 9689, 19378, 29067, 38756, 48445, 58134, 77512, 96890, 116268, 145335, 164713, 193780, 232536, 290670, 329426, 387560, 494139, 581340, 658852, 823565, 988278, 1162680, 1317704, 1647130, 1976556, 2470695, 3294260, 3953112, 4941390, 6588520, 9882780, 19765560]

約数ペア:

[(1, 19765560), (2, 9882780), (3, 6588520), (4, 4941390), (5, 3953112), (6, 3294260), (8, 2470695), (10, 1976556), (12, 1647130), (15, 1317704), (17, 1162680), (20, 988278), (24, 823565), (30, 658852), (34, 581340), (40, 494139), (51, 387560), (60, 329426), (68, 290670), (85, 232536), (102, 193780), (120, 164713), (136, 145335), (170, 116268), (204, 96890), (255, 77512), (340, 58134), (408, 48445), (510, 38756), (680, 29067), (1020, 19378), (2040, 9689)]