20164620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1171}}^1$

素因数の和:1231

約数の個数: 96

約数和(自身を含む): 66157056

約数和(自身を除く): 45992436

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 60, 70, 82, 84, 105, 123, 140, 164, 205, 210, 246, 287, 410, 420, 492, 574, 615, 820, 861, 1148, 1171, 1230, 1435, 1722, 2342, 2460, 2870, 3444, 3513, 4305, 4684, 5740, 5855, 7026, 8197, 8610, 11710, 14052, 16394, 17220, 17565, 23420, 24591, 32788, 35130, 40985, 48011, 49182, 70260, 81970, 96022, 98364, 122955, 144033, 163940, 192044, 240055, 245910, 288066, 336077, 480110, 491820, 576132, 672154, 720165, 960220, 1008231, 1344308, 1440330, 1680385, 2016462, 2880660, 3360770, 4032924, 5041155, 6721540, 10082310, 20164620]

約数ペア:

[(1, 20164620), (2, 10082310), (3, 6721540), (4, 5041155), (5, 4032924), (6, 3360770), (7, 2880660), (10, 2016462), (12, 1680385), (14, 1440330), (15, 1344308), (20, 1008231), (21, 960220), (28, 720165), (30, 672154), (35, 576132), (41, 491820), (42, 480110), (60, 336077), (70, 288066), (82, 245910), (84, 240055), (105, 192044), (123, 163940), (140, 144033), (164, 122955), (205, 98364), (210, 96022), (246, 81970), (287, 70260), (410, 49182), (420, 48011), (492, 40985), (574, 35130), (615, 32788), (820, 24591), (861, 23420), (1148, 17565), (1171, 17220), (1230, 16394), (1435, 14052), (1722, 11710), (2342, 8610), (2460, 8197), (2870, 7026), (3444, 5855), (3513, 5740), (4305, 4684)]