20215847296

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{9290371}}^1$

素因数の和:9290402

約数の個数: 32

約数和(自身を含む): 42642807480

約数和(自身を除く): 22426960184

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 9290371, 18580742, 37161484, 74322968, 148645936, 157936307, 297291872, 315872614, 594583744, 631745228, 1189167488, 1263490456, 2526980912, 5053961824, 10107923648, 20215847296]

約数ペア:

[(1, 20215847296), (2, 10107923648), (4, 5053961824), (8, 2526980912), (16, 1263490456), (17, 1189167488), (32, 631745228), (34, 594583744), (64, 315872614), (68, 297291872), (128, 157936307), (136, 148645936), (272, 74322968), (544, 37161484), (1088, 18580742), (2176, 9290371)]