20271510

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1399}}^1$

素因数の和:1442

約数の個数: 96

約数和(自身を含む): 62899200

約数和(自身を除く): 42627690

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 30, 35, 42, 45, 46, 63, 69, 70, 90, 105, 115, 126, 138, 161, 207, 210, 230, 315, 322, 345, 414, 483, 630, 690, 805, 966, 1035, 1399, 1449, 1610, 2070, 2415, 2798, 2898, 4197, 4830, 6995, 7245, 8394, 9793, 12591, 13990, 14490, 19586, 20985, 25182, 29379, 32177, 41970, 48965, 58758, 62955, 64354, 88137, 96531, 97930, 125910, 146895, 160885, 176274, 193062, 225239, 289593, 293790, 321770, 440685, 450478, 482655, 579186, 675717, 881370, 965310, 1126195, 1351434, 1447965, 2027151, 2252390, 2895930, 3378585, 4054302, 6757170, 10135755, 20271510]

約数ペア:

[(1, 20271510), (2, 10135755), (3, 6757170), (5, 4054302), (6, 3378585), (7, 2895930), (9, 2252390), (10, 2027151), (14, 1447965), (15, 1351434), (18, 1126195), (21, 965310), (23, 881370), (30, 675717), (35, 579186), (42, 482655), (45, 450478), (46, 440685), (63, 321770), (69, 293790), (70, 289593), (90, 225239), (105, 193062), (115, 176274), (126, 160885), (138, 146895), (161, 125910), (207, 97930), (210, 96531), (230, 88137), (315, 64354), (322, 62955), (345, 58758), (414, 48965), (483, 41970), (630, 32177), (690, 29379), (805, 25182), (966, 20985), (1035, 19586), (1399, 14490), (1449, 13990), (1610, 12591), (2070, 9793), (2415, 8394), (2798, 7245), (2898, 6995), (4197, 4830)]