20580900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{2213}}^1$

素因数の和:2261

約数の個数: 72

約数和(自身を含む): 61496064

約数和(自身を除く): 40915164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 60, 62, 75, 93, 100, 124, 150, 155, 186, 300, 310, 372, 465, 620, 775, 930, 1550, 1860, 2213, 2325, 3100, 4426, 4650, 6639, 8852, 9300, 11065, 13278, 22130, 26556, 33195, 44260, 55325, 66390, 68603, 110650, 132780, 137206, 165975, 205809, 221300, 274412, 331950, 343015, 411618, 663900, 686030, 823236, 1029045, 1372060, 1715075, 2058090, 3430150, 4116180, 5145225, 6860300, 10290450, 20580900]

約数ペア:

[(1, 20580900), (2, 10290450), (3, 6860300), (4, 5145225), (5, 4116180), (6, 3430150), (10, 2058090), (12, 1715075), (15, 1372060), (20, 1029045), (25, 823236), (30, 686030), (31, 663900), (50, 411618), (60, 343015), (62, 331950), (75, 274412), (93, 221300), (100, 205809), (124, 165975), (150, 137206), (155, 132780), (186, 110650), (300, 68603), (310, 66390), (372, 55325), (465, 44260), (620, 33195), (775, 26556), (930, 22130), (1550, 13278), (1860, 11065), (2213, 9300), (2325, 8852), (3100, 6639), (4426, 4650)]