20215584

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{4129}}^1$

素因数の和:4162

約数の個数: 72

約数和(自身を含む): 60884460

約数和(自身を除く): 40668876

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 68, 72, 96, 102, 136, 144, 153, 204, 272, 288, 306, 408, 544, 612, 816, 1224, 1632, 2448, 4129, 4896, 8258, 12387, 16516, 24774, 33032, 37161, 49548, 66064, 70193, 74322, 99096, 132128, 140386, 148644, 198192, 210579, 280772, 297288, 396384, 421158, 561544, 594576, 631737, 842316, 1123088, 1189152, 1263474, 1684632, 2246176, 2526948, 3369264, 5053896, 6738528, 10107792, 20215584]

約数ペア:

[(1, 20215584), (2, 10107792), (3, 6738528), (4, 5053896), (6, 3369264), (8, 2526948), (9, 2246176), (12, 1684632), (16, 1263474), (17, 1189152), (18, 1123088), (24, 842316), (32, 631737), (34, 594576), (36, 561544), (48, 421158), (51, 396384), (68, 297288), (72, 280772), (96, 210579), (102, 198192), (136, 148644), (144, 140386), (153, 132128), (204, 99096), (272, 74322), (288, 70193), (306, 66064), (408, 49548), (544, 37161), (612, 33032), (816, 24774), (1224, 16516), (1632, 12387), (2448, 8258), (4129, 4896)]