20194497570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{395273}}^1$

素因数の和:395427

約数の個数: 64

約数和(自身を含む): 52593577344

約数和(自身を除く): 32399079774

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 131, 195, 262, 390, 393, 655, 786, 1310, 1703, 1965, 3406, 3930, 5109, 8515, 10218, 17030, 25545, 51090, 395273, 790546, 1185819, 1976365, 2371638, 3952730, 5138549, 5929095, 10277098, 11858190, 15415647, 25692745, 30831294, 51385490, 51780763, 77078235, 103561526, 154156470, 155342289, 258903815, 310684578, 517807630, 673149919, 776711445, 1346299838, 1553422890, 2019449757, 3365749595, 4038899514, 6731499190, 10097248785, 20194497570]

約数ペア:

[(1, 20194497570), (2, 10097248785), (3, 6731499190), (5, 4038899514), (6, 3365749595), (10, 2019449757), (13, 1553422890), (15, 1346299838), (26, 776711445), (30, 673149919), (39, 517807630), (65, 310684578), (78, 258903815), (130, 155342289), (131, 154156470), (195, 103561526), (262, 77078235), (390, 51780763), (393, 51385490), (655, 30831294), (786, 25692745), (1310, 15415647), (1703, 11858190), (1965, 10277098), (3406, 5929095), (3930, 5138549), (5109, 3952730), (8515, 2371638), (10218, 1976365), (17030, 1185819), (25545, 790546), (51090, 395273)]