20447250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:356

約数の個数: 64

約数和(自身を含む): 51667200

約数和(自身を除く): 31219950

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 137, 150, 199, 250, 274, 375, 398, 411, 597, 685, 750, 822, 995, 1194, 1370, 1990, 2055, 2985, 3425, 4110, 4975, 5970, 6850, 9950, 10275, 14925, 17125, 20550, 24875, 27263, 29850, 34250, 49750, 51375, 54526, 74625, 81789, 102750, 136315, 149250, 163578, 272630, 408945, 681575, 817890, 1363150, 2044725, 3407875, 4089450, 6815750, 10223625, 20447250]

約数ペア:

[(1, 20447250), (2, 10223625), (3, 6815750), (5, 4089450), (6, 3407875), (10, 2044725), (15, 1363150), (25, 817890), (30, 681575), (50, 408945), (75, 272630), (125, 163578), (137, 149250), (150, 136315), (199, 102750), (250, 81789), (274, 74625), (375, 54526), (398, 51375), (411, 49750), (597, 34250), (685, 29850), (750, 27263), (822, 24875), (995, 20550), (1194, 17125), (1370, 14925), (1990, 10275), (2055, 9950), (2985, 6850), (3425, 5970), (4110, 4975)]