20982936

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{617}}^1$

素因数の和:748

約数の個数: 64

約数和(自身を含む): 57103200

約数和(自身を除く): 36120264

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 109, 156, 218, 312, 327, 436, 617, 654, 872, 1234, 1308, 1417, 1851, 2468, 2616, 2834, 3702, 4251, 4936, 5668, 7404, 8021, 8502, 11336, 14808, 16042, 17004, 24063, 32084, 34008, 48126, 64168, 67253, 96252, 134506, 192504, 201759, 269012, 403518, 538024, 807036, 874289, 1614072, 1748578, 2622867, 3497156, 5245734, 6994312, 10491468, 20982936]

約数ペア:

[(1, 20982936), (2, 10491468), (3, 6994312), (4, 5245734), (6, 3497156), (8, 2622867), (12, 1748578), (13, 1614072), (24, 874289), (26, 807036), (39, 538024), (52, 403518), (78, 269012), (104, 201759), (109, 192504), (156, 134506), (218, 96252), (312, 67253), (327, 64168), (436, 48126), (617, 34008), (654, 32084), (872, 24063), (1234, 17004), (1308, 16042), (1417, 14808), (1851, 11336), (2468, 8502), (2616, 8021), (2834, 7404), (3702, 5668), (4251, 4936)]