20815708736

素因数分解:

$2^6\times {\mathrm{79}}^1\times {\mathrm{4117031}}^1$

素因数の和:4117122

約数の個数: 28

約数和(自身を含む): 41829045120

約数和(自身を除く): 21013336384

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 158, 316, 632, 1264, 2528, 5056, 4117031, 8234062, 16468124, 32936248, 65872496, 131744992, 263489984, 325245449, 650490898, 1300981796, 2601963592, 5203927184, 10407854368, 20815708736]

約数ペア:

[(1, 20815708736), (2, 10407854368), (4, 5203927184), (8, 2601963592), (16, 1300981796), (32, 650490898), (64, 325245449), (79, 263489984), (158, 131744992), (316, 65872496), (632, 32936248), (1264, 16468124), (2528, 8234062), (5056, 4117031)]