20194621904

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{283}}^1\times {\mathrm{120539}}^1$

素因数の和:120867

約数の個数: 40

約数和(自身を含む): 40326898080

約数和(自身を除く): 20132276176

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 283, 296, 566, 592, 1132, 2264, 4528, 10471, 20942, 41884, 83768, 120539, 167536, 241078, 482156, 964312, 1928624, 4459943, 8919886, 17839772, 34112537, 35679544, 68225074, 71359088, 136450148, 272900296, 545800592, 1262163869, 2524327738, 5048655476, 10097310952, 20194621904]

約数ペア:

[(1, 20194621904), (2, 10097310952), (4, 5048655476), (8, 2524327738), (16, 1262163869), (37, 545800592), (74, 272900296), (148, 136450148), (283, 71359088), (296, 68225074), (566, 35679544), (592, 34112537), (1132, 17839772), (2264, 8919886), (4528, 4459943), (10471, 1928624), (20942, 964312), (41884, 482156), (83768, 241078), (120539, 167536)]