20362428

素因数分解:

$2^2\times 3^6\times {\mathrm{6983}}^1$

素因数の和:7005

約数の個数: 42

約数和(自身を含む): 53434584

約数和(自身を除く): 33072156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 6983, 13966, 20949, 27932, 41898, 62847, 83796, 125694, 188541, 251388, 377082, 565623, 754164, 1131246, 1696869, 2262492, 3393738, 5090607, 6787476, 10181214, 20362428]

約数ペア:

[(1, 20362428), (2, 10181214), (3, 6787476), (4, 5090607), (6, 3393738), (9, 2262492), (12, 1696869), (18, 1131246), (27, 754164), (36, 565623), (54, 377082), (81, 251388), (108, 188541), (162, 125694), (243, 83796), (324, 62847), (486, 41898), (729, 27932), (972, 20949), (1458, 13966), (2916, 6983)]