20390010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{14461}}^1$

素因数の和:14518

約数の個数: 32

約数和(自身を含む): 49980672

約数和(自身を除く): 29590662

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 235, 282, 470, 705, 1410, 14461, 28922, 43383, 72305, 86766, 144610, 216915, 433830, 679667, 1359334, 2039001, 3398335, 4078002, 6796670, 10195005, 20390010]

約数ペア:

[(1, 20390010), (2, 10195005), (3, 6796670), (5, 4078002), (6, 3398335), (10, 2039001), (15, 1359334), (30, 679667), (47, 433830), (94, 216915), (141, 144610), (235, 86766), (282, 72305), (470, 43383), (705, 28922), (1410, 14461)]