20460544

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:115

約数の個数: 88

約数和(自身を含む): 46425960

約数和(自身を除く): 25965416

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 53, 58, 64, 104, 106, 116, 128, 208, 212, 232, 256, 377, 416, 424, 464, 512, 689, 754, 832, 848, 928, 1024, 1378, 1508, 1537, 1664, 1696, 1856, 2756, 3016, 3074, 3328, 3392, 3712, 5512, 6032, 6148, 6656, 6784, 7424, 11024, 12064, 12296, 13312, 13568, 14848, 19981, 22048, 24128, 24592, 27136, 29696, 39962, 44096, 48256, 49184, 54272, 79924, 88192, 96512, 98368, 159848, 176384, 193024, 196736, 319696, 352768, 386048, 393472, 639392, 705536, 786944, 1278784, 1573888, 2557568, 5115136, 10230272, 20460544]

約数ペア:

[(1, 20460544), (2, 10230272), (4, 5115136), (8, 2557568), (13, 1573888), (16, 1278784), (26, 786944), (29, 705536), (32, 639392), (52, 393472), (53, 386048), (58, 352768), (64, 319696), (104, 196736), (106, 193024), (116, 176384), (128, 159848), (208, 98368), (212, 96512), (232, 88192), (256, 79924), (377, 54272), (416, 49184), (424, 48256), (464, 44096), (512, 39962), (689, 29696), (754, 27136), (832, 24592), (848, 24128), (928, 22048), (1024, 19981), (1378, 14848), (1508, 13568), (1537, 13312), (1664, 12296), (1696, 12064), (1856, 11024), (2756, 7424), (3016, 6784), (3074, 6656), (3328, 6148), (3392, 6032), (3712, 5512)]