20305208

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1$

素因数の和:325

約数の個数: 96

約数和(自身を含む): 51341040

約数和(自身を除く): 31035832

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 34, 44, 49, 56, 68, 77, 88, 98, 119, 136, 154, 187, 196, 238, 277, 308, 374, 392, 476, 539, 554, 616, 748, 833, 952, 1078, 1108, 1309, 1496, 1666, 1939, 2156, 2216, 2618, 3047, 3332, 3878, 4312, 4709, 5236, 6094, 6664, 7756, 9163, 9418, 10472, 12188, 13573, 15512, 18326, 18836, 21329, 24376, 27146, 32963, 36652, 37672, 42658, 51799, 54292, 65926, 73304, 85316, 103598, 108584, 131852, 149303, 170632, 207196, 230741, 263704, 298606, 362593, 414392, 461482, 597212, 725186, 922964, 1194424, 1450372, 1845928, 2538151, 2900744, 5076302, 10152604, 20305208]

約数ペア:

[(1, 20305208), (2, 10152604), (4, 5076302), (7, 2900744), (8, 2538151), (11, 1845928), (14, 1450372), (17, 1194424), (22, 922964), (28, 725186), (34, 597212), (44, 461482), (49, 414392), (56, 362593), (68, 298606), (77, 263704), (88, 230741), (98, 207196), (119, 170632), (136, 149303), (154, 131852), (187, 108584), (196, 103598), (238, 85316), (277, 73304), (308, 65926), (374, 54292), (392, 51799), (476, 42658), (539, 37672), (554, 36652), (616, 32963), (748, 27146), (833, 24376), (952, 21329), (1078, 18836), (1108, 18326), (1309, 15512), (1496, 13573), (1666, 12188), (1939, 10472), (2156, 9418), (2216, 9163), (2618, 7756), (3047, 6664), (3332, 6094), (3878, 5236), (4312, 4709)]