20721294

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{457}}^1$

素因数の和:705

約数の個数: 48

約数和(自身を含む): 49299120

約数和(自身を除く): 28577826

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 229, 457, 458, 687, 914, 1371, 1374, 2061, 2519, 2742, 4113, 4122, 5027, 5038, 7557, 8226, 10054, 15081, 15114, 22671, 30162, 45243, 45342, 90486, 104653, 209306, 313959, 627918, 941877, 1151183, 1883754, 2302366, 3453549, 6907098, 10360647, 20721294]

約数ペア:

[(1, 20721294), (2, 10360647), (3, 6907098), (6, 3453549), (9, 2302366), (11, 1883754), (18, 1151183), (22, 941877), (33, 627918), (66, 313959), (99, 209306), (198, 104653), (229, 90486), (457, 45342), (458, 45243), (687, 30162), (914, 22671), (1371, 15114), (1374, 15081), (2061, 10054), (2519, 8226), (2742, 7557), (4113, 5038), (4122, 5027)]