20724700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:271

約数の個数: 72

約数和(自身を含む): 48559392

約数和(自身を除く): 27834692

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 73, 85, 100, 146, 167, 170, 292, 334, 340, 365, 425, 668, 730, 835, 850, 1241, 1460, 1670, 1700, 1825, 2482, 2839, 3340, 3650, 4175, 4964, 5678, 6205, 7300, 8350, 11356, 12191, 12410, 14195, 16700, 24382, 24820, 28390, 31025, 48764, 56780, 60955, 62050, 70975, 121910, 124100, 141950, 207247, 243820, 283900, 304775, 414494, 609550, 828988, 1036235, 1219100, 2072470, 4144940, 5181175, 10362350, 20724700]

約数ペア:

[(1, 20724700), (2, 10362350), (4, 5181175), (5, 4144940), (10, 2072470), (17, 1219100), (20, 1036235), (25, 828988), (34, 609550), (50, 414494), (68, 304775), (73, 283900), (85, 243820), (100, 207247), (146, 141950), (167, 124100), (170, 121910), (292, 70975), (334, 62050), (340, 60955), (365, 56780), (425, 48764), (668, 31025), (730, 28390), (835, 24820), (850, 24382), (1241, 16700), (1460, 14195), (1670, 12410), (1700, 12191), (1825, 11356), (2482, 8350), (2839, 7300), (3340, 6205), (3650, 5678), (4175, 4964)]