20178394860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2909}}^1\times {\mathrm{8893}}^1$

素因数の和:11827

約数の個数: 96

約数和(自身を含む): 60873382080

約数和(自身を除く): 40694987220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2909, 5818, 8727, 8893, 11636, 14545, 17454, 17786, 26679, 29090, 34908, 35572, 37817, 43635, 44465, 53358, 58180, 75634, 87270, 88930, 106716, 113451, 115609, 133395, 151268, 174540, 177860, 189085, 226902, 231218, 266790, 346827, 378170, 453804, 462436, 533580, 567255, 578045, 693654, 756340, 1134510, 1156090, 1387308, 1734135, 2269020, 2312180, 3468270, 6936540, 25869737, 51739474, 77609211, 103478948, 129348685, 155218422, 258697370, 310436844, 336306581, 388046055, 517394740, 672613162, 776092110, 1008919743, 1345226324, 1552184220, 1681532905, 2017839486, 3363065810, 4035678972, 5044598715, 6726131620, 10089197430, 20178394860]

約数ペア:

[(1, 20178394860), (2, 10089197430), (3, 6726131620), (4, 5044598715), (5, 4035678972), (6, 3363065810), (10, 2017839486), (12, 1681532905), (13, 1552184220), (15, 1345226324), (20, 1008919743), (26, 776092110), (30, 672613162), (39, 517394740), (52, 388046055), (60, 336306581), (65, 310436844), (78, 258697370), (130, 155218422), (156, 129348685), (195, 103478948), (260, 77609211), (390, 51739474), (780, 25869737), (2909, 6936540), (5818, 3468270), (8727, 2312180), (8893, 2269020), (11636, 1734135), (14545, 1387308), (17454, 1156090), (17786, 1134510), (26679, 756340), (29090, 693654), (34908, 578045), (35572, 567255), (37817, 533580), (43635, 462436), (44465, 453804), (53358, 378170), (58180, 346827), (75634, 266790), (87270, 231218), (88930, 226902), (106716, 189085), (113451, 177860), (115609, 174540), (133395, 151268)]