20830680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4451}}^1$

素因数の和:4481

約数の個数: 96

約数和(自身を含む): 72923760

約数和(自身を除く): 52093080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4451, 4680, 8902, 13353, 17804, 22255, 26706, 35608, 40059, 44510, 53412, 57863, 66765, 80118, 89020, 106824, 115726, 133530, 160236, 173589, 178040, 200295, 231452, 267060, 289315, 320472, 347178, 400590, 462904, 520767, 534120, 578630, 694356, 801180, 867945, 1041534, 1157260, 1388712, 1602360, 1735890, 2083068, 2314520, 2603835, 3471780, 4166136, 5207670, 6943560, 10415340, 20830680]

約数ペア:

[(1, 20830680), (2, 10415340), (3, 6943560), (4, 5207670), (5, 4166136), (6, 3471780), (8, 2603835), (9, 2314520), (10, 2083068), (12, 1735890), (13, 1602360), (15, 1388712), (18, 1157260), (20, 1041534), (24, 867945), (26, 801180), (30, 694356), (36, 578630), (39, 534120), (40, 520767), (45, 462904), (52, 400590), (60, 347178), (65, 320472), (72, 289315), (78, 267060), (90, 231452), (104, 200295), (117, 178040), (120, 173589), (130, 160236), (156, 133530), (180, 115726), (195, 106824), (234, 89020), (260, 80118), (312, 66765), (360, 57863), (390, 53412), (468, 44510), (520, 40059), (585, 35608), (780, 26706), (936, 22255), (1170, 17804), (1560, 13353), (2340, 8902), (4451, 4680)]