16693820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{449}}^1$

素因数の和:495

約数の個数: 72

約数和(自身を含む): 41504400

約数和(自身を除く): 24810580

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 260, 286, 338, 449, 572, 676, 715, 845, 898, 1430, 1690, 1796, 1859, 2245, 2860, 3380, 3718, 4490, 4939, 5837, 7436, 8980, 9295, 9878, 11674, 18590, 19756, 23348, 24695, 29185, 37180, 49390, 58370, 64207, 75881, 98780, 116740, 128414, 151762, 256828, 303524, 321035, 379405, 642070, 758810, 834691, 1284140, 1517620, 1669382, 3338764, 4173455, 8346910, 16693820]

約数ペア:

[(1, 16693820), (2, 8346910), (4, 4173455), (5, 3338764), (10, 1669382), (11, 1517620), (13, 1284140), (20, 834691), (22, 758810), (26, 642070), (44, 379405), (52, 321035), (55, 303524), (65, 256828), (110, 151762), (130, 128414), (143, 116740), (169, 98780), (220, 75881), (260, 64207), (286, 58370), (338, 49390), (449, 37180), (572, 29185), (676, 24695), (715, 23348), (845, 19756), (898, 18590), (1430, 11674), (1690, 9878), (1796, 9295), (1859, 8980), (2245, 7436), (2860, 5837), (3380, 4939), (3718, 4490)]