20739888

素因数分解:

$2^4\times 3^4\times {\mathrm{13}}^1\times {\mathrm{1231}}^1$

素因数の和:1264

約数の個数: 100

約数和(自身を含む): 64697248

約数和(自身を除く): 43957360

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 81, 104, 108, 117, 144, 156, 162, 208, 216, 234, 312, 324, 351, 432, 468, 624, 648, 702, 936, 1053, 1231, 1296, 1404, 1872, 2106, 2462, 2808, 3693, 4212, 4924, 5616, 7386, 8424, 9848, 11079, 14772, 16003, 16848, 19696, 22158, 29544, 32006, 33237, 44316, 48009, 59088, 64012, 66474, 88632, 96018, 99711, 128024, 132948, 144027, 177264, 192036, 199422, 256048, 265896, 288054, 384072, 398844, 432081, 531792, 576108, 768144, 797688, 864162, 1152216, 1296243, 1595376, 1728324, 2304432, 2592486, 3456648, 5184972, 6913296, 10369944, 20739888]

約数ペア:

[(1, 20739888), (2, 10369944), (3, 6913296), (4, 5184972), (6, 3456648), (8, 2592486), (9, 2304432), (12, 1728324), (13, 1595376), (16, 1296243), (18, 1152216), (24, 864162), (26, 797688), (27, 768144), (36, 576108), (39, 531792), (48, 432081), (52, 398844), (54, 384072), (72, 288054), (78, 265896), (81, 256048), (104, 199422), (108, 192036), (117, 177264), (144, 144027), (156, 132948), (162, 128024), (208, 99711), (216, 96018), (234, 88632), (312, 66474), (324, 64012), (351, 59088), (432, 48009), (468, 44316), (624, 33237), (648, 32006), (702, 29544), (936, 22158), (1053, 19696), (1231, 16848), (1296, 16003), (1404, 14772), (1872, 11079), (2106, 9848), (2462, 8424), (2808, 7386), (3693, 5616), (4212, 4924)]