20347621038

素因数分解:

$2^1\times 3^5\times {\mathrm{61}}^1\times {\mathrm{686353}}^1$

素因数の和:686431

約数の個数: 48

約数和(自身を含む): 46468911216

約数和(自身を除く): 26121290178

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 81, 122, 162, 183, 243, 366, 486, 549, 1098, 1647, 3294, 4941, 9882, 14823, 29646, 686353, 1372706, 2059059, 4118118, 6177177, 12354354, 18531531, 37063062, 41867533, 55594593, 83735066, 111189186, 125602599, 166783779, 251205198, 333567558, 376807797, 753615594, 1130423391, 2260846782, 3391270173, 6782540346, 10173810519, 20347621038]

約数ペア:

[(1, 20347621038), (2, 10173810519), (3, 6782540346), (6, 3391270173), (9, 2260846782), (18, 1130423391), (27, 753615594), (54, 376807797), (61, 333567558), (81, 251205198), (122, 166783779), (162, 125602599), (183, 111189186), (243, 83735066), (366, 55594593), (486, 41867533), (549, 37063062), (1098, 18531531), (1647, 12354354), (3294, 6177177), (4941, 4118118), (9882, 2059059), (14823, 1372706), (29646, 686353)]