20199231390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1\times {\mathrm{2657}}^1$

素因数の和:2974

約数の個数: 128

約数和(自身を含む): 53017276032

約数和(自身を除く): 32818044642

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 101, 130, 193, 195, 202, 303, 386, 390, 505, 579, 606, 965, 1010, 1158, 1313, 1515, 1930, 2509, 2626, 2657, 2895, 3030, 3939, 5018, 5314, 5790, 6565, 7527, 7878, 7971, 12545, 13130, 13285, 15054, 15942, 19493, 19695, 25090, 26570, 34541, 37635, 38986, 39390, 39855, 58479, 69082, 75270, 79710, 97465, 103623, 116958, 172705, 194930, 207246, 253409, 268357, 292395, 345410, 506818, 512801, 518115, 536714, 584790, 760227, 805071, 1025602, 1036230, 1267045, 1341785, 1520454, 1538403, 1610142, 2534090, 2564005, 2683570, 3076806, 3488641, 3801135, 4025355, 5128010, 6666413, 6977282, 7602270, 7692015, 8050710, 10465923, 13332826, 15384030, 17443205, 19999239, 20931846, 33332065, 34886410, 39998478, 51792901, 52329615, 66664130, 99996195, 103585802, 104659230, 155378703, 199992390, 258964505, 310757406, 517929010, 673307713, 776893515, 1346615426, 1553787030, 2019923139, 3366538565, 4039846278, 6733077130, 10099615695, 20199231390]

約数ペア:

[(1, 20199231390), (2, 10099615695), (3, 6733077130), (5, 4039846278), (6, 3366538565), (10, 2019923139), (13, 1553787030), (15, 1346615426), (26, 776893515), (30, 673307713), (39, 517929010), (65, 310757406), (78, 258964505), (101, 199992390), (130, 155378703), (193, 104659230), (195, 103585802), (202, 99996195), (303, 66664130), (386, 52329615), (390, 51792901), (505, 39998478), (579, 34886410), (606, 33332065), (965, 20931846), (1010, 19999239), (1158, 17443205), (1313, 15384030), (1515, 13332826), (1930, 10465923), (2509, 8050710), (2626, 7692015), (2657, 7602270), (2895, 6977282), (3030, 6666413), (3939, 5128010), (5018, 4025355), (5314, 3801135), (5790, 3488641), (6565, 3076806), (7527, 2683570), (7878, 2564005), (7971, 2534090), (12545, 1610142), (13130, 1538403), (13285, 1520454), (15054, 1341785), (15942, 1267045), (19493, 1036230), (19695, 1025602), (25090, 805071), (26570, 760227), (34541, 584790), (37635, 536714), (38986, 518115), (39390, 512801), (39855, 506818), (58479, 345410), (69082, 292395), (75270, 268357), (79710, 253409), (97465, 207246), (103623, 194930), (116958, 172705)]