20233070420

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^2\times {\mathrm{157}}^1\times {\mathrm{2917}}^1$

素因数の和:3177

約数の個数: 72

約数和(自身を含む): 43704204936

約数和(自身を除く): 23471134516

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 157, 188, 235, 314, 470, 628, 785, 940, 1570, 2209, 2917, 3140, 4418, 5834, 7379, 8836, 11045, 11668, 14585, 14758, 22090, 29170, 29516, 36895, 44180, 58340, 73790, 137099, 147580, 274198, 346813, 457969, 548396, 685495, 693626, 915938, 1370990, 1387252, 1734065, 1831876, 2289845, 2741980, 3468130, 4579690, 6443653, 6936260, 9159380, 12887306, 21524543, 25774612, 32218265, 43049086, 64436530, 86098172, 107622715, 128873060, 215245430, 430490860, 1011653521, 2023307042, 4046614084, 5058267605, 10116535210, 20233070420]

約数ペア:

[(1, 20233070420), (2, 10116535210), (4, 5058267605), (5, 4046614084), (10, 2023307042), (20, 1011653521), (47, 430490860), (94, 215245430), (157, 128873060), (188, 107622715), (235, 86098172), (314, 64436530), (470, 43049086), (628, 32218265), (785, 25774612), (940, 21524543), (1570, 12887306), (2209, 9159380), (2917, 6936260), (3140, 6443653), (4418, 4579690), (5834, 3468130), (7379, 2741980), (8836, 2289845), (11045, 1831876), (11668, 1734065), (14585, 1387252), (14758, 1370990), (22090, 915938), (29170, 693626), (29516, 685495), (36895, 548396), (44180, 457969), (58340, 346813), (73790, 274198), (137099, 147580)]