20578435345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1\times {\mathrm{827}}^1$

素因数の和:1162

約数の個数: 64

約数和(自身を含む): 28123490304

約数和(自身を除く): 7545054959

約数列:

[1, 5, 13, 31, 53, 65, 155, 233, 265, 403, 689, 827, 1165, 1643, 2015, 3029, 3445, 4135, 7223, 8215, 10751, 12349, 15145, 21359, 25637, 36115, 43831, 53755, 61745, 93899, 106795, 128185, 160537, 192691, 219155, 333281, 382819, 469495, 569803, 802685, 963455, 1358761, 1666405, 1914095, 2504983, 2849015, 4976647, 5973421, 6793805, 10212623, 12524915, 17663893, 24883235, 29867105, 51063115, 77654473, 88319465, 132764099, 316591313, 388272365, 663820495, 1582956565, 4115687069, 20578435345]

約数ペア:

[(1, 20578435345), (5, 4115687069), (13, 1582956565), (31, 663820495), (53, 388272365), (65, 316591313), (155, 132764099), (233, 88319465), (265, 77654473), (403, 51063115), (689, 29867105), (827, 24883235), (1165, 17663893), (1643, 12524915), (2015, 10212623), (3029, 6793805), (3445, 5973421), (4135, 4976647), (7223, 2849015), (8215, 2504983), (10751, 1914095), (12349, 1666405), (15145, 1358761), (21359, 963455), (25637, 802685), (36115, 569803), (43831, 469495), (53755, 382819), (61745, 333281), (93899, 219155), (106795, 192691), (128185, 160537)]