20570784

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:390

約数の個数: 96

約数和(自身を含む): 59439744

約数和(自身を除く): 38868960

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 53, 78, 96, 104, 106, 156, 159, 208, 212, 311, 312, 318, 416, 424, 622, 624, 636, 689, 848, 933, 1244, 1248, 1272, 1378, 1696, 1866, 2067, 2488, 2544, 2756, 3732, 4043, 4134, 4976, 5088, 5512, 7464, 8086, 8268, 9952, 11024, 12129, 14928, 16172, 16483, 16536, 22048, 24258, 29856, 32344, 32966, 33072, 48516, 49449, 64688, 65932, 66144, 97032, 98898, 129376, 131864, 194064, 197796, 214279, 263728, 388128, 395592, 428558, 527456, 642837, 791184, 857116, 1285674, 1582368, 1714232, 2571348, 3428464, 5142696, 6856928, 10285392, 20570784]

約数ペア:

[(1, 20570784), (2, 10285392), (3, 6856928), (4, 5142696), (6, 3428464), (8, 2571348), (12, 1714232), (13, 1582368), (16, 1285674), (24, 857116), (26, 791184), (32, 642837), (39, 527456), (48, 428558), (52, 395592), (53, 388128), (78, 263728), (96, 214279), (104, 197796), (106, 194064), (156, 131864), (159, 129376), (208, 98898), (212, 97032), (311, 66144), (312, 65932), (318, 64688), (416, 49449), (424, 48516), (622, 33072), (624, 32966), (636, 32344), (689, 29856), (848, 24258), (933, 22048), (1244, 16536), (1248, 16483), (1272, 16172), (1378, 14928), (1696, 12129), (1866, 11024), (2067, 9952), (2488, 8268), (2544, 8086), (2756, 7464), (3732, 5512), (4043, 5088), (4134, 4976)]