20618736

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{10477}}^1$

素因数の和:10529

約数の個数: 40

約数和(自身を含む): 54569424

約数和(自身を除く): 33950688

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 328, 492, 656, 984, 1968, 10477, 20954, 31431, 41908, 62862, 83816, 125724, 167632, 251448, 429557, 502896, 859114, 1288671, 1718228, 2577342, 3436456, 5154684, 6872912, 10309368, 20618736]

約数ペア:

[(1, 20618736), (2, 10309368), (3, 6872912), (4, 5154684), (6, 3436456), (8, 2577342), (12, 1718228), (16, 1288671), (24, 859114), (41, 502896), (48, 429557), (82, 251448), (123, 167632), (164, 125724), (246, 83816), (328, 62862), (492, 41908), (656, 31431), (984, 20954), (1968, 10477)]