16889880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{20107}}^1$

素因数の和:20128

約数の個数: 64

約数和(自身を含む): 57911040

約数和(自身を除く): 41021160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 20107, 40214, 60321, 80428, 100535, 120642, 140749, 160856, 201070, 241284, 281498, 301605, 402140, 422247, 482568, 562996, 603210, 703745, 804280, 844494, 1125992, 1206420, 1407490, 1688988, 2111235, 2412840, 2814980, 3377976, 4222470, 5629960, 8444940, 16889880]

約数ペア:

[(1, 16889880), (2, 8444940), (3, 5629960), (4, 4222470), (5, 3377976), (6, 2814980), (7, 2412840), (8, 2111235), (10, 1688988), (12, 1407490), (14, 1206420), (15, 1125992), (20, 844494), (21, 804280), (24, 703745), (28, 603210), (30, 562996), (35, 482568), (40, 422247), (42, 402140), (56, 301605), (60, 281498), (70, 241284), (84, 201070), (105, 160856), (120, 140749), (140, 120642), (168, 100535), (210, 80428), (280, 60321), (420, 40214), (840, 20107)]