20080256

素因数分解:

$2^7\times 7^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:401

約数の個数: 64

約数和(自身を含む): 46495680

約数和(自身を除く): 26415424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 73, 112, 128, 146, 224, 292, 307, 448, 511, 584, 614, 896, 1022, 1168, 1228, 2044, 2149, 2336, 2456, 4088, 4298, 4672, 4912, 8176, 8596, 9344, 9824, 16352, 17192, 19648, 22411, 32704, 34384, 39296, 44822, 65408, 68768, 89644, 137536, 156877, 179288, 275072, 313754, 358576, 627508, 717152, 1255016, 1434304, 2510032, 2868608, 5020064, 10040128, 20080256]

約数ペア:

[(1, 20080256), (2, 10040128), (4, 5020064), (7, 2868608), (8, 2510032), (14, 1434304), (16, 1255016), (28, 717152), (32, 627508), (56, 358576), (64, 313754), (73, 275072), (112, 179288), (128, 156877), (146, 137536), (224, 89644), (292, 68768), (307, 65408), (448, 44822), (511, 39296), (584, 34384), (614, 32704), (896, 22411), (1022, 19648), (1168, 17192), (1228, 16352), (2044, 9824), (2149, 9344), (2336, 8596), (2456, 8176), (4088, 4912), (4298, 4672)]