20921290010

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7759}}^1\times {\mathrm{5737}}^1$

素因数の和:13550

約数の個数: 32

約数和(自身を含む): 38471224320

約数和(自身を除く): 17549934310

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 5737, 7759, 11474, 15518, 28685, 38795, 57370, 77590, 269639, 364673, 539278, 729346, 1348195, 1823365, 2696390, 3646730, 44513383, 89026766, 222566915, 445133830, 2092129001, 4184258002, 10460645005, 20921290010]

約数ペア:

[(1, 20921290010), (2, 10460645005), (5, 4184258002), (10, 2092129001), (47, 445133830), (94, 222566915), (235, 89026766), (470, 44513383), (5737, 3646730), (7759, 2696390), (11474, 1823365), (15518, 1348195), (28685, 729346), (38795, 539278), (57370, 364673), (77590, 269639)]