20958015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3467}}^1$

素因数の和:3519

約数の個数: 32

約数和(自身を含む): 37287936

約数和(自身を除く): 16329921

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 195, 403, 465, 1209, 2015, 3467, 6045, 10401, 17335, 45071, 52005, 107477, 135213, 225355, 322431, 537385, 676065, 1397201, 1612155, 4191603, 6986005, 20958015]

約数ペア:

[(1, 20958015), (3, 6986005), (5, 4191603), (13, 1612155), (15, 1397201), (31, 676065), (39, 537385), (65, 322431), (93, 225355), (155, 135213), (195, 107477), (403, 52005), (465, 45071), (1209, 17335), (2015, 10401), (3467, 6045)]