20312370

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1$

素因数の和:678

約数の個数: 96

約数和(自身を含む): 59072832

約数和(自身を除く): 38760462

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 234, 243, 270, 351, 390, 405, 486, 585, 643, 702, 810, 1053, 1170, 1215, 1286, 1755, 1929, 2106, 2430, 3159, 3215, 3510, 3858, 5265, 5787, 6318, 6430, 8359, 9645, 10530, 11574, 15795, 16718, 17361, 19290, 25077, 28935, 31590, 34722, 41795, 50154, 52083, 57870, 75231, 83590, 86805, 104166, 125385, 150462, 156249, 173610, 225693, 250770, 260415, 312498, 376155, 451386, 520830, 677079, 752310, 781245, 1128465, 1354158, 1562490, 2031237, 2256930, 3385395, 4062474, 6770790, 10156185, 20312370]

約数ペア:

[(1, 20312370), (2, 10156185), (3, 6770790), (5, 4062474), (6, 3385395), (9, 2256930), (10, 2031237), (13, 1562490), (15, 1354158), (18, 1128465), (26, 781245), (27, 752310), (30, 677079), (39, 520830), (45, 451386), (54, 376155), (65, 312498), (78, 260415), (81, 250770), (90, 225693), (117, 173610), (130, 156249), (135, 150462), (162, 125385), (195, 104166), (234, 86805), (243, 83590), (270, 75231), (351, 57870), (390, 52083), (405, 50154), (486, 41795), (585, 34722), (643, 31590), (702, 28935), (810, 25077), (1053, 19290), (1170, 17361), (1215, 16718), (1286, 15795), (1755, 11574), (1929, 10530), (2106, 9645), (2430, 8359), (3159, 6430), (3215, 6318), (3510, 5787), (3858, 5265)]