20858902298

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{619}}^1\times {\mathrm{21247}}^1$

素因数の和:21942

約数の個数: 32

約数和(自身を含む): 34304471040

約数和(自身を除く): 13445568742

約数列:

[1, 2, 13, 26, 61, 122, 619, 793, 1238, 1586, 8047, 16094, 21247, 37759, 42494, 75518, 276211, 490867, 552422, 981734, 1296067, 2592134, 13151893, 16848871, 26303786, 33697742, 170974609, 341949218, 802265473, 1604530946, 10429451149, 20858902298]

約数ペア:

[(1, 20858902298), (2, 10429451149), (13, 1604530946), (26, 802265473), (61, 341949218), (122, 170974609), (619, 33697742), (793, 26303786), (1238, 16848871), (1586, 13151893), (8047, 2592134), (16094, 1296067), (21247, 981734), (37759, 552422), (42494, 490867), (75518, 276211)]