20697750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{9199}}^1$

素因数の和:9222

約数の個数: 48

約数和(自身を含む): 55972800

約数和(自身を除く): 35275050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 125, 150, 225, 250, 375, 450, 750, 1125, 2250, 9199, 18398, 27597, 45995, 55194, 82791, 91990, 137985, 165582, 229975, 275970, 413955, 459950, 689925, 827910, 1149875, 1379850, 2069775, 2299750, 3449625, 4139550, 6899250, 10348875, 20697750]

約数ペア:

[(1, 20697750), (2, 10348875), (3, 6899250), (5, 4139550), (6, 3449625), (9, 2299750), (10, 2069775), (15, 1379850), (18, 1149875), (25, 827910), (30, 689925), (45, 459950), (50, 413955), (75, 275970), (90, 229975), (125, 165582), (150, 137985), (225, 91990), (250, 82791), (375, 55194), (450, 45995), (750, 27597), (1125, 18398), (2250, 9199)]