20178391016

素因数分解:

$2^3\times 7^1\times {\mathrm{113}}^2\times {\mathrm{28219}}^1$

素因数の和:28458

約数の個数: 48

約数和(自身を含む): 43626991200

約数和(自身を除く): 23448600184

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 113, 226, 452, 791, 904, 1582, 3164, 6328, 12769, 25538, 28219, 51076, 56438, 89383, 102152, 112876, 178766, 197533, 225752, 357532, 395066, 715064, 790132, 1580264, 3188747, 6377494, 12754988, 22321229, 25509976, 44642458, 89284916, 178569832, 360328411, 720656822, 1441313644, 2522298877, 2882627288, 5044597754, 10089195508, 20178391016]

約数ペア:

[(1, 20178391016), (2, 10089195508), (4, 5044597754), (7, 2882627288), (8, 2522298877), (14, 1441313644), (28, 720656822), (56, 360328411), (113, 178569832), (226, 89284916), (452, 44642458), (791, 25509976), (904, 22321229), (1582, 12754988), (3164, 6377494), (6328, 3188747), (12769, 1580264), (25538, 790132), (28219, 715064), (51076, 395066), (56438, 357532), (89383, 225752), (102152, 197533), (112876, 178766)]