20147790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2719}}^1$

素因数の和:2761

約数の個数: 64

約数和(自身を含む): 54835200

約数和(自身を除く): 34687410

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 190, 195, 247, 285, 390, 494, 570, 741, 1235, 1482, 2470, 2719, 3705, 5438, 7410, 8157, 13595, 16314, 27190, 35347, 40785, 51661, 70694, 81570, 103322, 106041, 154983, 176735, 212082, 258305, 309966, 353470, 516610, 530205, 671593, 774915, 1060410, 1343186, 1549830, 2014779, 3357965, 4029558, 6715930, 10073895, 20147790]

約数ペア:

[(1, 20147790), (2, 10073895), (3, 6715930), (5, 4029558), (6, 3357965), (10, 2014779), (13, 1549830), (15, 1343186), (19, 1060410), (26, 774915), (30, 671593), (38, 530205), (39, 516610), (57, 353470), (65, 309966), (78, 258305), (95, 212082), (114, 176735), (130, 154983), (190, 106041), (195, 103322), (247, 81570), (285, 70694), (390, 51661), (494, 40785), (570, 35347), (741, 27190), (1235, 16314), (1482, 13595), (2470, 8157), (2719, 7410), (3705, 5438)]