16842920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:123

約数の個数: 96

約数和(自身を含む): 42439680

約数和(自身を除く): 25596760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 47, 62, 68, 85, 94, 124, 136, 155, 170, 188, 235, 248, 289, 310, 340, 376, 470, 527, 578, 620, 680, 799, 940, 1054, 1156, 1240, 1445, 1457, 1598, 1880, 2108, 2312, 2635, 2890, 2914, 3196, 3995, 4216, 5270, 5780, 5828, 6392, 7285, 7990, 8959, 10540, 11560, 11656, 13583, 14570, 15980, 17918, 21080, 24769, 27166, 29140, 31960, 35836, 44795, 49538, 54332, 58280, 67915, 71672, 89590, 99076, 108664, 123845, 135830, 179180, 198152, 247690, 271660, 358360, 421073, 495380, 543320, 842146, 990760, 1684292, 2105365, 3368584, 4210730, 8421460, 16842920]

約数ペア:

[(1, 16842920), (2, 8421460), (4, 4210730), (5, 3368584), (8, 2105365), (10, 1684292), (17, 990760), (20, 842146), (31, 543320), (34, 495380), (40, 421073), (47, 358360), (62, 271660), (68, 247690), (85, 198152), (94, 179180), (124, 135830), (136, 123845), (155, 108664), (170, 99076), (188, 89590), (235, 71672), (248, 67915), (289, 58280), (310, 54332), (340, 49538), (376, 44795), (470, 35836), (527, 31960), (578, 29140), (620, 27166), (680, 24769), (799, 21080), (940, 17918), (1054, 15980), (1156, 14570), (1240, 13583), (1445, 11656), (1457, 11560), (1598, 10540), (1880, 8959), (2108, 7990), (2312, 7285), (2635, 6392), (2890, 5828), (2914, 5780), (3196, 5270), (3995, 4216)]