20512119738

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1\times {\mathrm{12457}}^1$

素因数の和:12943

約数の個数: 64

約数和(自身を含む): 45602259840

約数和(自身を除く): 25090140102

約数列:

[1, 2, 3, 6, 11, 22, 33, 61, 66, 122, 183, 366, 409, 671, 818, 1227, 1342, 2013, 2454, 4026, 4499, 8998, 12457, 13497, 24914, 24949, 26994, 37371, 49898, 74742, 74847, 137027, 149694, 274054, 274439, 411081, 548878, 759877, 822162, 823317, 1519754, 1646634, 2279631, 4559262, 5094913, 8358647, 10189826, 15284739, 16717294, 25075941, 30569478, 50151882, 56044043, 112088086, 168132129, 310789693, 336264258, 621579386, 932369079, 1864738158, 3418686623, 6837373246, 10256059869, 20512119738]

約数ペア:

[(1, 20512119738), (2, 10256059869), (3, 6837373246), (6, 3418686623), (11, 1864738158), (22, 932369079), (33, 621579386), (61, 336264258), (66, 310789693), (122, 168132129), (183, 112088086), (366, 56044043), (409, 50151882), (671, 30569478), (818, 25075941), (1227, 16717294), (1342, 15284739), (2013, 10189826), (2454, 8358647), (4026, 5094913), (4499, 4559262), (8998, 2279631), (12457, 1646634), (13497, 1519754), (24914, 823317), (24949, 822162), (26994, 759877), (37371, 548878), (49898, 411081), (74742, 274439), (74847, 274054), (137027, 149694)]