20246214920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12345253}}^1$

素因数の和:12345305

約数の個数: 32

約数和(自身を含む): 46665060120

約数和(自身を除く): 26418845200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 12345253, 24690506, 49381012, 61726265, 98762024, 123452530, 246905060, 493810120, 506155373, 1012310746, 2024621492, 2530776865, 4049242984, 5061553730, 10123107460, 20246214920]

約数ペア:

[(1, 20246214920), (2, 10123107460), (4, 5061553730), (5, 4049242984), (8, 2530776865), (10, 2024621492), (20, 1012310746), (40, 506155373), (41, 493810120), (82, 246905060), (164, 123452530), (205, 98762024), (328, 61726265), (410, 49381012), (820, 24690506), (1640, 12345253)]