20172490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8167}}^1$

素因数の和:8206

約数の個数: 32

約数和(自身を含む): 41166720

約数和(自身を除く): 20994230

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 8167, 16334, 40835, 81670, 106171, 155173, 212342, 310346, 530855, 775865, 1061710, 1551730, 2017249, 4034498, 10086245, 20172490]

約数ペア:

[(1, 20172490), (2, 10086245), (5, 4034498), (10, 2017249), (13, 1551730), (19, 1061710), (26, 775865), (38, 530855), (65, 310346), (95, 212342), (130, 155173), (190, 106171), (247, 81670), (494, 40835), (1235, 16334), (2470, 8167)]