20569380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26371}}^1$

素因数の和:26396

約数の個数: 48

約数和(自身を含む): 62026944

約数和(自身を除く): 41457564

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, 26371, 52742, 79113, 105484, 131855, 158226, 263710, 316452, 342823, 395565, 527420, 685646, 791130, 1028469, 1371292, 1582260, 1714115, 2056938, 3428230, 4113876, 5142345, 6856460, 10284690, 20569380]

約数ペア:

[(1, 20569380), (2, 10284690), (3, 6856460), (4, 5142345), (5, 4113876), (6, 3428230), (10, 2056938), (12, 1714115), (13, 1582260), (15, 1371292), (20, 1028469), (26, 791130), (30, 685646), (39, 527420), (52, 395565), (60, 342823), (65, 316452), (78, 263710), (130, 158226), (156, 131855), (195, 105484), (260, 79113), (390, 52742), (780, 26371)]