16956380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3907}}^1$

素因数の和:3954

約数の個数: 48

約数和(自身を含む): 42018816

約数和(自身を除く): 25062436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 3907, 4340, 7814, 15628, 19535, 27349, 39070, 54698, 78140, 109396, 121117, 136745, 242234, 273490, 484468, 546980, 605585, 847819, 1211170, 1695638, 2422340, 3391276, 4239095, 8478190, 16956380]

約数ペア:

[(1, 16956380), (2, 8478190), (4, 4239095), (5, 3391276), (7, 2422340), (10, 1695638), (14, 1211170), (20, 847819), (28, 605585), (31, 546980), (35, 484468), (62, 273490), (70, 242234), (124, 136745), (140, 121117), (155, 109396), (217, 78140), (310, 54698), (434, 39070), (620, 27349), (868, 19535), (1085, 15628), (2170, 7814), (3907, 4340)]