20376972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7351}}^1$

素因数の和:7379

約数の個数: 72

約数和(自身を含む): 64227072

約数和(自身を除く): 43850100

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 7351, 14702, 22053, 29404, 44106, 51457, 66159, 80861, 88212, 102914, 132318, 154371, 161722, 205828, 242583, 264636, 308742, 323444, 463113, 485166, 566027, 617484, 727749, 926226, 970332, 1132054, 1455498, 1698081, 1852452, 2264108, 2910996, 3396162, 5094243, 6792324, 10188486, 20376972]

約数ペア:

[(1, 20376972), (2, 10188486), (3, 6792324), (4, 5094243), (6, 3396162), (7, 2910996), (9, 2264108), (11, 1852452), (12, 1698081), (14, 1455498), (18, 1132054), (21, 970332), (22, 926226), (28, 727749), (33, 617484), (36, 566027), (42, 485166), (44, 463113), (63, 323444), (66, 308742), (77, 264636), (84, 242583), (99, 205828), (126, 161722), (132, 154371), (154, 132318), (198, 102914), (231, 88212), (252, 80861), (308, 66159), (396, 51457), (462, 44106), (693, 29404), (924, 22053), (1386, 14702), (2772, 7351)]