20528452

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 45418968

約数和(自身を除く): 24890516

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 61, 68, 98, 101, 119, 122, 196, 202, 238, 244, 404, 427, 476, 707, 833, 854, 1037, 1414, 1666, 1708, 1717, 2074, 2828, 2989, 3332, 3434, 4148, 4949, 5978, 6161, 6868, 7259, 9898, 11956, 12019, 12322, 14518, 19796, 24038, 24644, 29036, 43127, 48076, 50813, 84133, 86254, 101626, 104737, 168266, 172508, 203252, 209474, 301889, 336532, 418948, 603778, 733159, 1207556, 1466318, 2932636, 5132113, 10264226, 20528452]

約数ペア:

[(1, 20528452), (2, 10264226), (4, 5132113), (7, 2932636), (14, 1466318), (17, 1207556), (28, 733159), (34, 603778), (49, 418948), (61, 336532), (68, 301889), (98, 209474), (101, 203252), (119, 172508), (122, 168266), (196, 104737), (202, 101626), (238, 86254), (244, 84133), (404, 50813), (427, 48076), (476, 43127), (707, 29036), (833, 24644), (854, 24038), (1037, 19796), (1414, 14518), (1666, 12322), (1708, 12019), (1717, 11956), (2074, 9898), (2828, 7259), (2989, 6868), (3332, 6161), (3434, 5978), (4148, 4949)]