20080972933

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1\times {\mathrm{347}}^1\times {\mathrm{421}}^1$

素因数の和:1117

約数の個数: 32

約数和(自身を含む): 23473463040

約数和(自身を除く): 3392490107

約数列:

[1, 7, 73, 269, 347, 421, 511, 1883, 2429, 2947, 19637, 25331, 30733, 93343, 113249, 137459, 146087, 177317, 215131, 653401, 792743, 1022609, 6814039, 8267177, 10664351, 39297403, 47698273, 57870239, 74650457, 275081821, 2868710419, 20080972933]

約数ペア:

[(1, 20080972933), (7, 2868710419), (73, 275081821), (269, 74650457), (347, 57870239), (421, 47698273), (511, 39297403), (1883, 10664351), (2429, 8267177), (2947, 6814039), (19637, 1022609), (25331, 792743), (30733, 653401), (93343, 215131), (113249, 177317), (137459, 146087)]