20176980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{14621}}^1$

素因数の和:14656

約数の個数: 48

約数和(自身を含む): 58955904

約数和(自身を除く): 38778924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 14621, 29242, 43863, 58484, 73105, 87726, 146210, 175452, 219315, 292420, 336283, 438630, 672566, 877260, 1008849, 1345132, 1681415, 2017698, 3362830, 4035396, 5044245, 6725660, 10088490, 20176980]

約数ペア:

[(1, 20176980), (2, 10088490), (3, 6725660), (4, 5044245), (5, 4035396), (6, 3362830), (10, 2017698), (12, 1681415), (15, 1345132), (20, 1008849), (23, 877260), (30, 672566), (46, 438630), (60, 336283), (69, 292420), (92, 219315), (115, 175452), (138, 146210), (230, 87726), (276, 73105), (345, 58484), (460, 43863), (690, 29242), (1380, 14621)]