20229960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{641}}^1$

素因数の和:918

約数の個数: 64

約数和(自身を含む): 61015680

約数和(自身を除く): 40785720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 263, 526, 641, 789, 1052, 1282, 1315, 1578, 1923, 2104, 2564, 2630, 3156, 3205, 3846, 3945, 5128, 5260, 6312, 6410, 7692, 7890, 9615, 10520, 12820, 15384, 15780, 19230, 25640, 31560, 38460, 76920, 168583, 337166, 505749, 674332, 842915, 1011498, 1348664, 1685830, 2022996, 2528745, 3371660, 4045992, 5057490, 6743320, 10114980, 20229960]

約数ペア:

[(1, 20229960), (2, 10114980), (3, 6743320), (4, 5057490), (5, 4045992), (6, 3371660), (8, 2528745), (10, 2022996), (12, 1685830), (15, 1348664), (20, 1011498), (24, 842915), (30, 674332), (40, 505749), (60, 337166), (120, 168583), (263, 76920), (526, 38460), (641, 31560), (789, 25640), (1052, 19230), (1282, 15780), (1315, 15384), (1578, 12820), (1923, 10520), (2104, 9615), (2564, 7890), (2630, 7692), (3156, 6410), (3205, 6312), (3846, 5260), (3945, 5128)]