20243575144

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1129}}^1\times {\mathrm{3253}}^1$

素因数の和:4454

約数の個数: 64

約数和(自身を含む): 41697406800

約数和(自身を除く): 21453831656

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1129, 1378, 2258, 2756, 3253, 4516, 5512, 6506, 9032, 13012, 14677, 26024, 29354, 42289, 58708, 59837, 84578, 117416, 119674, 169156, 172409, 239348, 338312, 344818, 478696, 689636, 777881, 1379272, 1555762, 2241317, 3111524, 3672637, 4482634, 6223048, 7345274, 8965268, 14690548, 17930536, 29381096, 47744281, 95488562, 190977124, 194649761, 381954248, 389299522, 778599044, 1557198088, 2530446893, 5060893786, 10121787572, 20243575144]

約数ペア:

[(1, 20243575144), (2, 10121787572), (4, 5060893786), (8, 2530446893), (13, 1557198088), (26, 778599044), (52, 389299522), (53, 381954248), (104, 194649761), (106, 190977124), (212, 95488562), (424, 47744281), (689, 29381096), (1129, 17930536), (1378, 14690548), (2258, 8965268), (2756, 7345274), (3253, 6223048), (4516, 4482634), (5512, 3672637), (6506, 3111524), (9032, 2241317), (13012, 1555762), (14677, 1379272), (26024, 777881), (29354, 689636), (42289, 478696), (58708, 344818), (59837, 338312), (84578, 239348), (117416, 172409), (119674, 169156)]