20798210

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2917}}^1$

素因数の和:2978

約数の個数: 32

約数和(自身を含む): 40338432

約数和(自身を除く): 19540222

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 115, 155, 230, 310, 713, 1426, 2917, 3565, 5834, 7130, 14585, 29170, 67091, 90427, 134182, 180854, 335455, 452135, 670910, 904270, 2079821, 4159642, 10399105, 20798210]

約数ペア:

[(1, 20798210), (2, 10399105), (5, 4159642), (10, 2079821), (23, 904270), (31, 670910), (46, 452135), (62, 335455), (115, 180854), (155, 134182), (230, 90427), (310, 67091), (713, 29170), (1426, 14585), (2917, 7130), (3565, 5834)]