20360240

素因数分解:

$2^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{829}}^1$

素因数の和:1149

約数の個数: 40

約数和(自身を含む): 47549040

約数和(自身を除く): 27188800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 307, 614, 829, 1228, 1535, 1658, 2456, 3070, 3316, 4145, 4912, 6140, 6632, 8290, 12280, 13264, 16580, 24560, 33160, 66320, 254503, 509006, 1018012, 1272515, 2036024, 2545030, 4072048, 5090060, 10180120, 20360240]

約数ペア:

[(1, 20360240), (2, 10180120), (4, 5090060), (5, 4072048), (8, 2545030), (10, 2036024), (16, 1272515), (20, 1018012), (40, 509006), (80, 254503), (307, 66320), (614, 33160), (829, 24560), (1228, 16580), (1535, 13264), (1658, 12280), (2456, 8290), (3070, 6632), (3316, 6140), (4145, 4912)]