20153516650

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{2267}}^1\times {\mathrm{6131}}^1$

素因数の和:8439

約数の個数: 48

約数和(自身を含む): 38801579040

約数和(自身を除く): 18648062390

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 2267, 4534, 6131, 11335, 12262, 22670, 30655, 56675, 61310, 65743, 113350, 131486, 153275, 177799, 306550, 328715, 355598, 657430, 888995, 1643575, 1777990, 3287150, 4444975, 8889950, 13898977, 27797954, 69494885, 138989770, 347474425, 403070333, 694948850, 806140666, 2015351665, 4030703330, 10076758325, 20153516650]

約数ペア:

[(1, 20153516650), (2, 10076758325), (5, 4030703330), (10, 2015351665), (25, 806140666), (29, 694948850), (50, 403070333), (58, 347474425), (145, 138989770), (290, 69494885), (725, 27797954), (1450, 13898977), (2267, 8889950), (4534, 4444975), (6131, 3287150), (11335, 1777990), (12262, 1643575), (22670, 888995), (30655, 657430), (56675, 355598), (61310, 328715), (65743, 306550), (113350, 177799), (131486, 153275)]