20502246

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 25116954

約数列:

[1, 2, 3, 6, 23, 29, 46, 47, 58, 69, 87, 94, 109, 138, 141, 174, 218, 282, 327, 654, 667, 1081, 1334, 1363, 2001, 2162, 2507, 2726, 3161, 3243, 4002, 4089, 5014, 5123, 6322, 6486, 7521, 8178, 9483, 10246, 15042, 15369, 18966, 30738, 31349, 62698, 72703, 94047, 117829, 145406, 148567, 188094, 218109, 235658, 297134, 353487, 436218, 445701, 706974, 891402, 3417041, 6834082, 10251123, 20502246]

約数ペア:

[(1, 20502246), (2, 10251123), (3, 6834082), (6, 3417041), (23, 891402), (29, 706974), (46, 445701), (47, 436218), (58, 353487), (69, 297134), (87, 235658), (94, 218109), (109, 188094), (138, 148567), (141, 145406), (174, 117829), (218, 94047), (282, 72703), (327, 62698), (654, 31349), (667, 30738), (1081, 18966), (1334, 15369), (1363, 15042), (2001, 10246), (2162, 9483), (2507, 8178), (2726, 7521), (3161, 6486), (3243, 6322), (4002, 5123), (4089, 5014)]