20462910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:833

約数の個数: 64

約数和(自身を含む): 53706240

約数和(自身を除く): 33243330

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 71, 78, 130, 142, 195, 213, 355, 390, 426, 710, 739, 923, 1065, 1478, 1846, 2130, 2217, 2769, 3695, 4434, 4615, 5538, 7390, 9230, 9607, 11085, 13845, 19214, 22170, 27690, 28821, 48035, 52469, 57642, 96070, 104938, 144105, 157407, 262345, 288210, 314814, 524690, 682097, 787035, 1364194, 1574070, 2046291, 3410485, 4092582, 6820970, 10231455, 20462910]

約数ペア:

[(1, 20462910), (2, 10231455), (3, 6820970), (5, 4092582), (6, 3410485), (10, 2046291), (13, 1574070), (15, 1364194), (26, 787035), (30, 682097), (39, 524690), (65, 314814), (71, 288210), (78, 262345), (130, 157407), (142, 144105), (195, 104938), (213, 96070), (355, 57642), (390, 52469), (426, 48035), (710, 28821), (739, 27690), (923, 22170), (1065, 19214), (1478, 13845), (1846, 11085), (2130, 9607), (2217, 9230), (2769, 7390), (3695, 5538), (4434, 4615)]