20213658

素因数分解:

$2^1\times 3^3\times {\mathrm{139}}^1\times {\mathrm{2693}}^1$

素因数の和:2843

約数の個数: 32

約数和(自身を含む): 45259200

約数和(自身を除く): 25045542

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 139, 278, 417, 834, 1251, 2502, 2693, 3753, 5386, 7506, 8079, 16158, 24237, 48474, 72711, 145422, 374327, 748654, 1122981, 2245962, 3368943, 6737886, 10106829, 20213658]

約数ペア:

[(1, 20213658), (2, 10106829), (3, 6737886), (6, 3368943), (9, 2245962), (18, 1122981), (27, 748654), (54, 374327), (139, 145422), (278, 72711), (417, 48474), (834, 24237), (1251, 16158), (2502, 8079), (2693, 7506), (3753, 5386)]