20709660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:427

約数の個数: 96

約数和(自身を含む): 62092800

約数和(自身を除く): 41383140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 43, 46, 60, 69, 86, 92, 115, 129, 138, 172, 215, 230, 258, 276, 345, 349, 430, 460, 516, 645, 690, 698, 860, 989, 1047, 1290, 1380, 1396, 1745, 1978, 2094, 2580, 2967, 3490, 3956, 4188, 4945, 5235, 5934, 6980, 8027, 9890, 10470, 11868, 14835, 15007, 16054, 19780, 20940, 24081, 29670, 30014, 32108, 40135, 45021, 48162, 59340, 60028, 75035, 80270, 90042, 96324, 120405, 150070, 160540, 180084, 225105, 240810, 300140, 345161, 450210, 481620, 690322, 900420, 1035483, 1380644, 1725805, 2070966, 3451610, 4141932, 5177415, 6903220, 10354830, 20709660]

約数ペア:

[(1, 20709660), (2, 10354830), (3, 6903220), (4, 5177415), (5, 4141932), (6, 3451610), (10, 2070966), (12, 1725805), (15, 1380644), (20, 1035483), (23, 900420), (30, 690322), (43, 481620), (46, 450210), (60, 345161), (69, 300140), (86, 240810), (92, 225105), (115, 180084), (129, 160540), (138, 150070), (172, 120405), (215, 96324), (230, 90042), (258, 80270), (276, 75035), (345, 60028), (349, 59340), (430, 48162), (460, 45021), (516, 40135), (645, 32108), (690, 30014), (698, 29670), (860, 24081), (989, 20940), (1047, 19780), (1290, 16054), (1380, 15007), (1396, 14835), (1745, 11868), (1978, 10470), (2094, 9890), (2580, 8027), (2967, 6980), (3490, 5934), (3956, 5235), (4188, 4945)]