20744270

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1097}}^1$

素因数の和:1196

約数の個数: 32

約数和(自身を含む): 39211776

約数和(自身を除く): 18467506

約数列:

[1, 2, 5, 10, 31, 61, 62, 122, 155, 305, 310, 610, 1097, 1891, 2194, 3782, 5485, 9455, 10970, 18910, 34007, 66917, 68014, 133834, 170035, 334585, 340070, 669170, 2074427, 4148854, 10372135, 20744270]

約数ペア:

[(1, 20744270), (2, 10372135), (5, 4148854), (10, 2074427), (31, 669170), (61, 340070), (62, 334585), (122, 170035), (155, 133834), (305, 68014), (310, 66917), (610, 34007), (1097, 18910), (1891, 10970), (2194, 9455), (3782, 5485)]