20876700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 66933216

約数和(自身を除く): 46056516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 53, 60, 65, 75, 78, 100, 101, 106, 130, 150, 156, 159, 195, 202, 212, 260, 265, 300, 303, 318, 325, 390, 404, 505, 530, 606, 636, 650, 689, 780, 795, 975, 1010, 1060, 1212, 1300, 1313, 1325, 1378, 1515, 1590, 1950, 2020, 2067, 2525, 2626, 2650, 2756, 3030, 3180, 3445, 3900, 3939, 3975, 4134, 5050, 5252, 5300, 5353, 6060, 6565, 6890, 7575, 7878, 7950, 8268, 10100, 10335, 10706, 13130, 13780, 15150, 15756, 15900, 16059, 17225, 19695, 20670, 21412, 26260, 26765, 30300, 32118, 32825, 34450, 39390, 41340, 51675, 53530, 64236, 65650, 68900, 69589, 78780, 80295, 98475, 103350, 107060, 131300, 133825, 139178, 160590, 196950, 206700, 208767, 267650, 278356, 321180, 347945, 393900, 401475, 417534, 535300, 695890, 802950, 835068, 1043835, 1391780, 1605900, 1739725, 2087670, 3479450, 4175340, 5219175, 6958900, 10438350, 20876700]

約数ペア:

[(1, 20876700), (2, 10438350), (3, 6958900), (4, 5219175), (5, 4175340), (6, 3479450), (10, 2087670), (12, 1739725), (13, 1605900), (15, 1391780), (20, 1043835), (25, 835068), (26, 802950), (30, 695890), (39, 535300), (50, 417534), (52, 401475), (53, 393900), (60, 347945), (65, 321180), (75, 278356), (78, 267650), (100, 208767), (101, 206700), (106, 196950), (130, 160590), (150, 139178), (156, 133825), (159, 131300), (195, 107060), (202, 103350), (212, 98475), (260, 80295), (265, 78780), (300, 69589), (303, 68900), (318, 65650), (325, 64236), (390, 53530), (404, 51675), (505, 41340), (530, 39390), (606, 34450), (636, 32825), (650, 32118), (689, 30300), (780, 26765), (795, 26260), (975, 21412), (1010, 20670), (1060, 19695), (1212, 17225), (1300, 16059), (1313, 15900), (1325, 15756), (1378, 15150), (1515, 13780), (1590, 13130), (1950, 10706), (2020, 10335), (2067, 10100), (2525, 8268), (2626, 7950), (2650, 7878), (2756, 7575), (3030, 6890), (3180, 6565), (3445, 6060), (3900, 5353), (3939, 5300), (3975, 5252), (4134, 5050)]