20662830

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{743}}^1$

素因数の和:862

約数の個数: 64

約数和(自身を含む): 55710720

約数和(自身を除く): 35047890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 103, 135, 206, 270, 309, 515, 618, 743, 927, 1030, 1486, 1545, 1854, 2229, 2781, 3090, 3715, 4458, 4635, 5562, 6687, 7430, 9270, 11145, 13374, 13905, 20061, 22290, 27810, 33435, 40122, 66870, 76529, 100305, 153058, 200610, 229587, 382645, 459174, 688761, 765290, 1147935, 1377522, 2066283, 2295870, 3443805, 4132566, 6887610, 10331415, 20662830]

約数ペア:

[(1, 20662830), (2, 10331415), (3, 6887610), (5, 4132566), (6, 3443805), (9, 2295870), (10, 2066283), (15, 1377522), (18, 1147935), (27, 765290), (30, 688761), (45, 459174), (54, 382645), (90, 229587), (103, 200610), (135, 153058), (206, 100305), (270, 76529), (309, 66870), (515, 40122), (618, 33435), (743, 27810), (927, 22290), (1030, 20061), (1486, 13905), (1545, 13374), (1854, 11145), (2229, 9270), (2781, 7430), (3090, 6687), (3715, 5562), (4458, 4635)]