20552778

素因数分解:

$2^1\times 3^4\times {\mathrm{293}}^1\times {\mathrm{433}}^1$

素因数の和:740

約数の個数: 40

約数和(自身を含む): 46317348

約数和(自身を除く): 25764570

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 293, 433, 586, 866, 879, 1299, 1758, 2598, 2637, 3897, 5274, 7794, 7911, 11691, 15822, 23382, 23733, 35073, 47466, 70146, 126869, 253738, 380607, 761214, 1141821, 2283642, 3425463, 6850926, 10276389, 20552778]

約数ペア:

[(1, 20552778), (2, 10276389), (3, 6850926), (6, 3425463), (9, 2283642), (18, 1141821), (27, 761214), (54, 380607), (81, 253738), (162, 126869), (293, 70146), (433, 47466), (586, 35073), (866, 23733), (879, 23382), (1299, 15822), (1758, 11691), (2598, 7911), (2637, 7794), (3897, 5274)]