20235417808

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{644933}}^1$

素因数の和:645031

約数の個数: 40

約数和(自身を含む): 41025541608

約数和(自身を除く): 20790123800

約数列:

[1, 2, 4, 8, 16, 37, 53, 74, 106, 148, 212, 296, 424, 592, 848, 1961, 3922, 7844, 15688, 31376, 644933, 1289866, 2579732, 5159464, 10318928, 23862521, 34181449, 47725042, 68362898, 95450084, 136725796, 190900168, 273451592, 381800336, 546903184, 1264713613, 2529427226, 5058854452, 10117708904, 20235417808]

約数ペア:

[(1, 20235417808), (2, 10117708904), (4, 5058854452), (8, 2529427226), (16, 1264713613), (37, 546903184), (53, 381800336), (74, 273451592), (106, 190900168), (148, 136725796), (212, 95450084), (296, 68362898), (424, 47725042), (592, 34181449), (848, 23862521), (1961, 10318928), (3922, 5159464), (7844, 2579732), (15688, 1289866), (31376, 644933)]