20413380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26171}}^1$

素因数の和:26196

約数の個数: 48

約数和(自身を含む): 61556544

約数和(自身を除く): 41143164

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, 26171, 52342, 78513, 104684, 130855, 157026, 261710, 314052, 340223, 392565, 523420, 680446, 785130, 1020669, 1360892, 1570260, 1701115, 2041338, 3402230, 4082676, 5103345, 6804460, 10206690, 20413380]

約数ペア:

[(1, 20413380), (2, 10206690), (3, 6804460), (4, 5103345), (5, 4082676), (6, 3402230), (10, 2041338), (12, 1701115), (13, 1570260), (15, 1360892), (20, 1020669), (26, 785130), (30, 680446), (39, 523420), (52, 392565), (60, 340223), (65, 314052), (78, 261710), (130, 157026), (156, 130855), (195, 104684), (260, 78513), (390, 52342), (780, 26171)]