20064720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:197

約数の個数: 160

約数和(自身を含む): 68745600

約数和(自身を除く): 48680880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 59, 60, 65, 78, 80, 104, 109, 118, 120, 130, 156, 177, 195, 208, 218, 236, 240, 260, 295, 312, 327, 354, 390, 436, 472, 520, 545, 590, 624, 654, 708, 767, 780, 872, 885, 944, 1040, 1090, 1180, 1308, 1416, 1417, 1534, 1560, 1635, 1744, 1770, 2180, 2301, 2360, 2616, 2832, 2834, 3068, 3120, 3270, 3540, 3835, 4251, 4360, 4602, 4720, 5232, 5668, 6136, 6431, 6540, 7080, 7085, 7670, 8502, 8720, 9204, 11336, 11505, 12272, 12862, 13080, 14160, 14170, 15340, 17004, 18408, 19293, 21255, 22672, 23010, 25724, 26160, 28340, 30680, 32155, 34008, 36816, 38586, 42510, 46020, 51448, 56680, 61360, 64310, 68016, 77172, 83603, 85020, 92040, 96465, 102896, 113360, 128620, 154344, 167206, 170040, 184080, 192930, 250809, 257240, 308688, 334412, 340080, 385860, 418015, 501618, 514480, 668824, 771720, 836030, 1003236, 1254045, 1337648, 1543440, 1672060, 2006472, 2508090, 3344120, 4012944, 5016180, 6688240, 10032360, 20064720]

約数ペア:

[(1, 20064720), (2, 10032360), (3, 6688240), (4, 5016180), (5, 4012944), (6, 3344120), (8, 2508090), (10, 2006472), (12, 1672060), (13, 1543440), (15, 1337648), (16, 1254045), (20, 1003236), (24, 836030), (26, 771720), (30, 668824), (39, 514480), (40, 501618), (48, 418015), (52, 385860), (59, 340080), (60, 334412), (65, 308688), (78, 257240), (80, 250809), (104, 192930), (109, 184080), (118, 170040), (120, 167206), (130, 154344), (156, 128620), (177, 113360), (195, 102896), (208, 96465), (218, 92040), (236, 85020), (240, 83603), (260, 77172), (295, 68016), (312, 64310), (327, 61360), (354, 56680), (390, 51448), (436, 46020), (472, 42510), (520, 38586), (545, 36816), (590, 34008), (624, 32155), (654, 30680), (708, 28340), (767, 26160), (780, 25724), (872, 23010), (885, 22672), (944, 21255), (1040, 19293), (1090, 18408), (1180, 17004), (1308, 15340), (1416, 14170), (1417, 14160), (1534, 13080), (1560, 12862), (1635, 12272), (1744, 11505), (1770, 11336), (2180, 9204), (2301, 8720), (2360, 8502), (2616, 7670), (2832, 7085), (2834, 7080), (3068, 6540), (3120, 6431), (3270, 6136), (3540, 5668), (3835, 5232), (4251, 4720), (4360, 4602)]