20369400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1997}}^1$

素因数の和:2033

約数の個数: 96

約数和(自身を含む): 66893040

約数和(自身を除く): 46523640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 25, 30, 34, 40, 50, 51, 60, 68, 75, 85, 100, 102, 120, 136, 150, 170, 200, 204, 255, 300, 340, 408, 425, 510, 600, 680, 850, 1020, 1275, 1700, 1997, 2040, 2550, 3400, 3994, 5100, 5991, 7988, 9985, 10200, 11982, 15976, 19970, 23964, 29955, 33949, 39940, 47928, 49925, 59910, 67898, 79880, 99850, 101847, 119820, 135796, 149775, 169745, 199700, 203694, 239640, 271592, 299550, 339490, 399400, 407388, 509235, 599100, 678980, 814776, 848725, 1018470, 1198200, 1357960, 1697450, 2036940, 2546175, 3394900, 4073880, 5092350, 6789800, 10184700, 20369400]

約数ペア:

[(1, 20369400), (2, 10184700), (3, 6789800), (4, 5092350), (5, 4073880), (6, 3394900), (8, 2546175), (10, 2036940), (12, 1697450), (15, 1357960), (17, 1198200), (20, 1018470), (24, 848725), (25, 814776), (30, 678980), (34, 599100), (40, 509235), (50, 407388), (51, 399400), (60, 339490), (68, 299550), (75, 271592), (85, 239640), (100, 203694), (102, 199700), (120, 169745), (136, 149775), (150, 135796), (170, 119820), (200, 101847), (204, 99850), (255, 79880), (300, 67898), (340, 59910), (408, 49925), (425, 47928), (510, 39940), (600, 33949), (680, 29955), (850, 23964), (1020, 19970), (1275, 15976), (1700, 11982), (1997, 10200), (2040, 9985), (2550, 7988), (3400, 5991), (3994, 5100)]