20123678196

素因数分解:

$2^2\times 3^2\times {\mathrm{229}}^1\times {\mathrm{467}}^1\times {\mathrm{5227}}^1$

素因数の和:5933

約数の個数: 72

約数和(自身を含む): 51209514720

約数和(自身を除く): 31085836524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 229, 458, 467, 687, 916, 934, 1374, 1401, 1868, 2061, 2748, 2802, 4122, 4203, 5227, 5604, 8244, 8406, 10454, 15681, 16812, 20908, 31362, 47043, 62724, 94086, 106943, 188172, 213886, 320829, 427772, 641658, 962487, 1196983, 1283316, 1924974, 2393966, 2441009, 3590949, 3849948, 4787932, 4882018, 7181898, 7323027, 9764036, 10772847, 14363796, 14646054, 21545694, 21969081, 29292108, 43091388, 43938162, 87876324, 558991061, 1117982122, 1676973183, 2235964244, 3353946366, 5030919549, 6707892732, 10061839098, 20123678196]

約数ペア:

[(1, 20123678196), (2, 10061839098), (3, 6707892732), (4, 5030919549), (6, 3353946366), (9, 2235964244), (12, 1676973183), (18, 1117982122), (36, 558991061), (229, 87876324), (458, 43938162), (467, 43091388), (687, 29292108), (916, 21969081), (934, 21545694), (1374, 14646054), (1401, 14363796), (1868, 10772847), (2061, 9764036), (2748, 7323027), (2802, 7181898), (4122, 4882018), (4203, 4787932), (5227, 3849948), (5604, 3590949), (8244, 2441009), (8406, 2393966), (10454, 1924974), (15681, 1283316), (16812, 1196983), (20908, 962487), (31362, 641658), (47043, 427772), (62724, 320829), (94086, 213886), (106943, 188172)]