20020210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2531}}^1$

素因数の和:2658

約数の個数: 32

約数和(自身を含む): 41565312

約数和(自身を除く): 21545102

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 113, 226, 565, 791, 1130, 1582, 2531, 3955, 5062, 7910, 12655, 17717, 25310, 35434, 88585, 177170, 286003, 572006, 1430015, 2002021, 2860030, 4004042, 10010105, 20020210]

約数ペア:

[(1, 20020210), (2, 10010105), (5, 4004042), (7, 2860030), (10, 2002021), (14, 1430015), (35, 572006), (70, 286003), (113, 177170), (226, 88585), (565, 35434), (791, 25310), (1130, 17717), (1582, 12655), (2531, 7910), (3955, 5062)]