20178091424

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{356453}}^1$

素因数の和:356553

約数の個数: 48

約数和(自身を含む): 41769279720

約数和(自身を除く): 21591188296

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 61, 116, 122, 232, 244, 464, 488, 928, 976, 1769, 1952, 3538, 7076, 14152, 28304, 56608, 356453, 712906, 1425812, 2851624, 5703248, 10337137, 11406496, 20674274, 21743633, 41348548, 43487266, 82697096, 86974532, 165394192, 173949064, 330788384, 347898128, 630565357, 695796256, 1261130714, 2522261428, 5044522856, 10089045712, 20178091424]

約数ペア:

[(1, 20178091424), (2, 10089045712), (4, 5044522856), (8, 2522261428), (16, 1261130714), (29, 695796256), (32, 630565357), (58, 347898128), (61, 330788384), (116, 173949064), (122, 165394192), (232, 86974532), (244, 82697096), (464, 43487266), (488, 41348548), (928, 21743633), (976, 20674274), (1769, 11406496), (1952, 10337137), (3538, 5703248), (7076, 2851624), (14152, 1425812), (28304, 712906), (56608, 356453)]