20114021888

素因数分解:

$2^9\times {\mathrm{79}}^1\times {\mathrm{497281}}^1$

素因数の和:497378

約数の個数: 40

約数和(自身を含む): 40697558880

約数和(自身を除く): 20583536992

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 256, 316, 512, 632, 1264, 2528, 5056, 10112, 20224, 40448, 497281, 994562, 1989124, 3978248, 7956496, 15912992, 31825984, 39285199, 63651968, 78570398, 127303936, 157140796, 254607872, 314281592, 628563184, 1257126368, 2514252736, 5028505472, 10057010944, 20114021888]

約数ペア:

[(1, 20114021888), (2, 10057010944), (4, 5028505472), (8, 2514252736), (16, 1257126368), (32, 628563184), (64, 314281592), (79, 254607872), (128, 157140796), (158, 127303936), (256, 78570398), (316, 63651968), (512, 39285199), (632, 31825984), (1264, 15912992), (2528, 7956496), (5056, 3978248), (10112, 1989124), (20224, 994562), (40448, 497281)]