20216250

素因数分解:

$2^1\times 3^3\times 5^4\times {\mathrm{599}}^1$

素因数の和:630

約数の個数: 80

約数和(自身を含む): 56232000

約数和(自身を除く): 36015750

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 90, 125, 135, 150, 225, 250, 270, 375, 450, 599, 625, 675, 750, 1125, 1198, 1250, 1350, 1797, 1875, 2250, 2995, 3375, 3594, 3750, 5391, 5625, 5990, 6750, 8985, 10782, 11250, 14975, 16173, 16875, 17970, 26955, 29950, 32346, 33750, 44925, 53910, 74875, 80865, 89850, 134775, 149750, 161730, 224625, 269550, 374375, 404325, 449250, 673875, 748750, 808650, 1123125, 1347750, 2021625, 2246250, 3369375, 4043250, 6738750, 10108125, 20216250]

約数ペア:

[(1, 20216250), (2, 10108125), (3, 6738750), (5, 4043250), (6, 3369375), (9, 2246250), (10, 2021625), (15, 1347750), (18, 1123125), (25, 808650), (27, 748750), (30, 673875), (45, 449250), (50, 404325), (54, 374375), (75, 269550), (90, 224625), (125, 161730), (135, 149750), (150, 134775), (225, 89850), (250, 80865), (270, 74875), (375, 53910), (450, 44925), (599, 33750), (625, 32346), (675, 29950), (750, 26955), (1125, 17970), (1198, 16875), (1250, 16173), (1350, 14975), (1797, 11250), (1875, 10782), (2250, 8985), (2995, 6750), (3375, 5990), (3594, 5625), (3750, 5391)]