20537072

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{307}}^1$

素因数の和:465

約数の個数: 40

約数和(自身を含む): 41361936

約数和(自身を除く): 20824864

約数列:

[1, 2, 4, 8, 16, 37, 74, 113, 148, 226, 296, 307, 452, 592, 614, 904, 1228, 1808, 2456, 4181, 4912, 8362, 11359, 16724, 22718, 33448, 34691, 45436, 66896, 69382, 90872, 138764, 181744, 277528, 555056, 1283567, 2567134, 5134268, 10268536, 20537072]

約数ペア:

[(1, 20537072), (2, 10268536), (4, 5134268), (8, 2567134), (16, 1283567), (37, 555056), (74, 277528), (113, 181744), (148, 138764), (226, 90872), (296, 69382), (307, 66896), (452, 45436), (592, 34691), (614, 33448), (904, 22718), (1228, 16724), (1808, 11359), (2456, 8362), (4181, 4912)]