20583045

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{947}}^1$

素因数の和:991

約数の個数: 64

約数和(自身を含む): 43683840

約数和(自身を除く): 23100795

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 27, 35, 45, 63, 69, 105, 115, 135, 161, 189, 207, 315, 345, 483, 621, 805, 945, 947, 1035, 1449, 2415, 2841, 3105, 4347, 4735, 6629, 7245, 8523, 14205, 19887, 21735, 21781, 25569, 33145, 42615, 59661, 65343, 99435, 108905, 127845, 152467, 178983, 196029, 298305, 326715, 457401, 588087, 762335, 894915, 980145, 1372203, 2287005, 2940435, 4116609, 6861015, 20583045]

約数ペア:

[(1, 20583045), (3, 6861015), (5, 4116609), (7, 2940435), (9, 2287005), (15, 1372203), (21, 980145), (23, 894915), (27, 762335), (35, 588087), (45, 457401), (63, 326715), (69, 298305), (105, 196029), (115, 178983), (135, 152467), (161, 127845), (189, 108905), (207, 99435), (315, 65343), (345, 59661), (483, 42615), (621, 33145), (805, 25569), (945, 21781), (947, 21735), (1035, 19887), (1449, 14205), (2415, 8523), (2841, 7245), (3105, 6629), (4347, 4735)]