20149504

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{2539}}^1$

素因数の和:2586

約数の個数: 36

約数和(自身を含む): 41534080

約数和(自身を除く): 21384576

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 2539, 3968, 5078, 7936, 10156, 20312, 40624, 78709, 81248, 157418, 162496, 314836, 324992, 629672, 649984, 1259344, 2518688, 5037376, 10074752, 20149504]

約数ペア:

[(1, 20149504), (2, 10074752), (4, 5037376), (8, 2518688), (16, 1259344), (31, 649984), (32, 629672), (62, 324992), (64, 314836), (124, 162496), (128, 157418), (248, 81248), (256, 78709), (496, 40624), (992, 20312), (1984, 10156), (2539, 7936), (3968, 5078)]