20182503536

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{345307}}^1$

素因数の和:345609

約数の個数: 40

約数和(自身を含む): 42261555504

約数和(自身を除く): 22079051968

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 281, 562, 1124, 2248, 3653, 4496, 7306, 14612, 29224, 58448, 345307, 690614, 1381228, 2762456, 4488991, 5524912, 8977982, 17955964, 35911928, 71823856, 97031267, 194062534, 388125068, 776250136, 1261406471, 1552500272, 2522812942, 5045625884, 10091251768, 20182503536]

約数ペア:

[(1, 20182503536), (2, 10091251768), (4, 5045625884), (8, 2522812942), (13, 1552500272), (16, 1261406471), (26, 776250136), (52, 388125068), (104, 194062534), (208, 97031267), (281, 71823856), (562, 35911928), (1124, 17955964), (2248, 8977982), (3653, 5524912), (4496, 4488991), (7306, 2762456), (14612, 1381228), (29224, 690614), (58448, 345307)]