20536620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{233}}^1$

素因数の和:371

約数の個数: 96

約数和(自身を含む): 62741952

約数和(自身を除く): 42205332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 113, 130, 156, 195, 226, 233, 260, 339, 390, 452, 466, 565, 678, 699, 780, 932, 1130, 1165, 1356, 1398, 1469, 1695, 2260, 2330, 2796, 2938, 3029, 3390, 3495, 4407, 4660, 5876, 6058, 6780, 6990, 7345, 8814, 9087, 12116, 13980, 14690, 15145, 17628, 18174, 22035, 26329, 29380, 30290, 36348, 44070, 45435, 52658, 60580, 78987, 88140, 90870, 105316, 131645, 157974, 181740, 263290, 315948, 342277, 394935, 526580, 684554, 789870, 1026831, 1369108, 1579740, 1711385, 2053662, 3422770, 4107324, 5134155, 6845540, 10268310, 20536620]

約数ペア:

[(1, 20536620), (2, 10268310), (3, 6845540), (4, 5134155), (5, 4107324), (6, 3422770), (10, 2053662), (12, 1711385), (13, 1579740), (15, 1369108), (20, 1026831), (26, 789870), (30, 684554), (39, 526580), (52, 394935), (60, 342277), (65, 315948), (78, 263290), (113, 181740), (130, 157974), (156, 131645), (195, 105316), (226, 90870), (233, 88140), (260, 78987), (339, 60580), (390, 52658), (452, 45435), (466, 44070), (565, 36348), (678, 30290), (699, 29380), (780, 26329), (932, 22035), (1130, 18174), (1165, 17628), (1356, 15145), (1398, 14690), (1469, 13980), (1695, 12116), (2260, 9087), (2330, 8814), (2796, 7345), (2938, 6990), (3029, 6780), (3390, 6058), (3495, 5876), (4407, 4660)]