20448814920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{701}}^1\times {\mathrm{243091}}^1$

素因数の和:243806

約数の個数: 64

約数和(自身を含む): 61434210240

約数和(自身を除く): 40985395320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 701, 1402, 2103, 2804, 3505, 4206, 5608, 7010, 8412, 10515, 14020, 16824, 21030, 28040, 42060, 84120, 243091, 486182, 729273, 972364, 1215455, 1458546, 1944728, 2430910, 2917092, 3646365, 4861820, 5834184, 7292730, 9723640, 14585460, 29170920, 170406791, 340813582, 511220373, 681627164, 852033955, 1022440746, 1363254328, 1704067910, 2044881492, 2556101865, 3408135820, 4089762984, 5112203730, 6816271640, 10224407460, 20448814920]

約数ペア:

[(1, 20448814920), (2, 10224407460), (3, 6816271640), (4, 5112203730), (5, 4089762984), (6, 3408135820), (8, 2556101865), (10, 2044881492), (12, 1704067910), (15, 1363254328), (20, 1022440746), (24, 852033955), (30, 681627164), (40, 511220373), (60, 340813582), (120, 170406791), (701, 29170920), (1402, 14585460), (2103, 9723640), (2804, 7292730), (3505, 5834184), (4206, 4861820), (5608, 3646365), (7010, 2917092), (8412, 2430910), (10515, 1944728), (14020, 1458546), (16824, 1215455), (21030, 972364), (28040, 729273), (42060, 486182), (84120, 243091)]