20056920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:106

約数の個数: 192

約数和(自身を含む): 69569280

約数和(自身を除く): 49512360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 43, 46, 52, 60, 65, 69, 78, 86, 92, 104, 115, 120, 129, 130, 138, 156, 169, 172, 184, 195, 215, 230, 258, 260, 276, 299, 312, 338, 344, 345, 390, 430, 460, 507, 516, 520, 552, 559, 598, 645, 676, 690, 780, 845, 860, 897, 920, 989, 1014, 1032, 1118, 1196, 1290, 1352, 1380, 1495, 1560, 1677, 1690, 1720, 1794, 1978, 2028, 2236, 2392, 2535, 2580, 2760, 2795, 2967, 2990, 3354, 3380, 3588, 3887, 3956, 4056, 4472, 4485, 4945, 5070, 5160, 5590, 5934, 5980, 6708, 6760, 7176, 7267, 7774, 7912, 8385, 8970, 9890, 10140, 11180, 11661, 11868, 11960, 12857, 13416, 14534, 14835, 15548, 16770, 17940, 19435, 19780, 20280, 21801, 22360, 23322, 23736, 25714, 29068, 29670, 31096, 33540, 35880, 36335, 38571, 38870, 39560, 43602, 46644, 51428, 58136, 58305, 59340, 64285, 67080, 72670, 77142, 77740, 87204, 93288, 102856, 109005, 116610, 118680, 128570, 145340, 154284, 155480, 167141, 174408, 192855, 218010, 233220, 257140, 290680, 308568, 334282, 385710, 436020, 466440, 501423, 514280, 668564, 771420, 835705, 872040, 1002846, 1337128, 1542840, 1671410, 2005692, 2507115, 3342820, 4011384, 5014230, 6685640, 10028460, 20056920]

約数ペア:

[(1, 20056920), (2, 10028460), (3, 6685640), (4, 5014230), (5, 4011384), (6, 3342820), (8, 2507115), (10, 2005692), (12, 1671410), (13, 1542840), (15, 1337128), (20, 1002846), (23, 872040), (24, 835705), (26, 771420), (30, 668564), (39, 514280), (40, 501423), (43, 466440), (46, 436020), (52, 385710), (60, 334282), (65, 308568), (69, 290680), (78, 257140), (86, 233220), (92, 218010), (104, 192855), (115, 174408), (120, 167141), (129, 155480), (130, 154284), (138, 145340), (156, 128570), (169, 118680), (172, 116610), (184, 109005), (195, 102856), (215, 93288), (230, 87204), (258, 77740), (260, 77142), (276, 72670), (299, 67080), (312, 64285), (338, 59340), (344, 58305), (345, 58136), (390, 51428), (430, 46644), (460, 43602), (507, 39560), (516, 38870), (520, 38571), (552, 36335), (559, 35880), (598, 33540), (645, 31096), (676, 29670), (690, 29068), (780, 25714), (845, 23736), (860, 23322), (897, 22360), (920, 21801), (989, 20280), (1014, 19780), (1032, 19435), (1118, 17940), (1196, 16770), (1290, 15548), (1352, 14835), (1380, 14534), (1495, 13416), (1560, 12857), (1677, 11960), (1690, 11868), (1720, 11661), (1794, 11180), (1978, 10140), (2028, 9890), (2236, 8970), (2392, 8385), (2535, 7912), (2580, 7774), (2760, 7267), (2795, 7176), (2967, 6760), (2990, 6708), (3354, 5980), (3380, 5934), (3588, 5590), (3887, 5160), (3956, 5070), (4056, 4945), (4472, 4485)]