20671570476

素因数分解:

$2^2\times 3^2\times {\mathrm{113}}^1\times {\mathrm{389}}^1\times {\mathrm{13063}}^1$

素因数の和:13575

約数の個数: 72

約数和(自身を含む): 52855115040

約数和(自身を除く): 32183544564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 113, 226, 339, 389, 452, 678, 778, 1017, 1167, 1356, 1556, 2034, 2334, 3501, 4068, 4668, 7002, 13063, 14004, 26126, 39189, 43957, 52252, 78378, 87914, 117567, 131871, 156756, 175828, 235134, 263742, 395613, 470268, 527484, 791226, 1476119, 1582452, 2952238, 4428357, 5081507, 5904476, 8856714, 10163014, 13285071, 15244521, 17713428, 20326028, 26570142, 30489042, 45733563, 53140284, 60978084, 91467126, 182934252, 574210291, 1148420582, 1722630873, 2296841164, 3445261746, 5167892619, 6890523492, 10335785238, 20671570476]

約数ペア:

[(1, 20671570476), (2, 10335785238), (3, 6890523492), (4, 5167892619), (6, 3445261746), (9, 2296841164), (12, 1722630873), (18, 1148420582), (36, 574210291), (113, 182934252), (226, 91467126), (339, 60978084), (389, 53140284), (452, 45733563), (678, 30489042), (778, 26570142), (1017, 20326028), (1167, 17713428), (1356, 15244521), (1556, 13285071), (2034, 10163014), (2334, 8856714), (3501, 5904476), (4068, 5081507), (4668, 4428357), (7002, 2952238), (13063, 1582452), (14004, 1476119), (26126, 791226), (39189, 527484), (43957, 470268), (52252, 395613), (78378, 263742), (87914, 235134), (117567, 175828), (131871, 156756)]