20169922720

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{971}}^1\times {\mathrm{6833}}^1$

素因数の和:7838

約数の個数: 96

約数和(自身を含む): 50218418880

約数和(自身を除く): 30048496160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 971, 1520, 1942, 3040, 3884, 4855, 6833, 7768, 9710, 13666, 15536, 18449, 19420, 27332, 31072, 34165, 36898, 38840, 54664, 68330, 73796, 77680, 92245, 109328, 129827, 136660, 147592, 155360, 184490, 218656, 259654, 273320, 295184, 368980, 519308, 546640, 590368, 649135, 737960, 1038616, 1093280, 1298270, 1475920, 2077232, 2596540, 2951840, 4154464, 5193080, 6634843, 10386160, 13269686, 20772320, 26539372, 33174215, 53078744, 66348430, 106157488, 126062017, 132696860, 212314976, 252124034, 265393720, 504248068, 530787440, 630310085, 1008496136, 1061574880, 1260620170, 2016992272, 2521240340, 4033984544, 5042480680, 10084961360, 20169922720]

約数ペア:

[(1, 20169922720), (2, 10084961360), (4, 5042480680), (5, 4033984544), (8, 2521240340), (10, 2016992272), (16, 1260620170), (19, 1061574880), (20, 1008496136), (32, 630310085), (38, 530787440), (40, 504248068), (76, 265393720), (80, 252124034), (95, 212314976), (152, 132696860), (160, 126062017), (190, 106157488), (304, 66348430), (380, 53078744), (608, 33174215), (760, 26539372), (971, 20772320), (1520, 13269686), (1942, 10386160), (3040, 6634843), (3884, 5193080), (4855, 4154464), (6833, 2951840), (7768, 2596540), (9710, 2077232), (13666, 1475920), (15536, 1298270), (18449, 1093280), (19420, 1038616), (27332, 737960), (31072, 649135), (34165, 590368), (36898, 546640), (38840, 519308), (54664, 368980), (68330, 295184), (73796, 273320), (77680, 259654), (92245, 218656), (109328, 184490), (129827, 155360), (136660, 147592)]