20261120

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1439}}^1$

素因数の和:1471

約数の個数: 72

約数和(自身を含む): 52980480

約数和(自身を除く): 32719360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1439, 1760, 2816, 2878, 3520, 5756, 7040, 7195, 11512, 14080, 14390, 15829, 23024, 28780, 31658, 46048, 57560, 63316, 79145, 92096, 115120, 126632, 158290, 184192, 230240, 253264, 316580, 368384, 460480, 506528, 633160, 920960, 1013056, 1266320, 1841920, 2026112, 2532640, 4052224, 5065280, 10130560, 20261120]

約数ペア:

[(1, 20261120), (2, 10130560), (4, 5065280), (5, 4052224), (8, 2532640), (10, 2026112), (11, 1841920), (16, 1266320), (20, 1013056), (22, 920960), (32, 633160), (40, 506528), (44, 460480), (55, 368384), (64, 316580), (80, 253264), (88, 230240), (110, 184192), (128, 158290), (160, 126632), (176, 115120), (220, 92096), (256, 79145), (320, 63316), (352, 57560), (440, 46048), (640, 31658), (704, 28780), (880, 23024), (1280, 15829), (1408, 14390), (1439, 14080), (1760, 11512), (2816, 7195), (2878, 7040), (3520, 5756)]