20128204

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 39463200

約数和(自身を除く): 19334996

約数列:

[1, 2, 4, 17, 29, 34, 58, 59, 68, 116, 118, 173, 236, 346, 493, 692, 986, 1003, 1711, 1972, 2006, 2941, 3422, 4012, 5017, 5882, 6844, 10034, 10207, 11764, 20068, 20414, 29087, 40828, 58174, 85289, 116348, 170578, 173519, 296003, 341156, 347038, 592006, 694076, 1184012, 5032051, 10064102, 20128204]

約数ペア:

[(1, 20128204), (2, 10064102), (4, 5032051), (17, 1184012), (29, 694076), (34, 592006), (58, 347038), (59, 341156), (68, 296003), (116, 173519), (118, 170578), (173, 116348), (236, 85289), (346, 58174), (493, 40828), (692, 29087), (986, 20414), (1003, 20068), (1711, 11764), (1972, 10207), (2006, 10034), (2941, 6844), (3422, 5882), (4012, 5017)]