20037628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1193}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 42124320

約数和(自身を除く): 22086692

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 76, 221, 247, 323, 442, 494, 646, 884, 988, 1193, 1292, 2386, 4199, 4772, 8398, 15509, 16796, 20281, 22667, 31018, 40562, 45334, 62036, 81124, 90668, 263653, 294671, 385339, 527306, 589342, 770678, 1054612, 1178684, 1541356, 5009407, 10018814, 20037628]

約数ペア:

[(1, 20037628), (2, 10018814), (4, 5009407), (13, 1541356), (17, 1178684), (19, 1054612), (26, 770678), (34, 589342), (38, 527306), (52, 385339), (68, 294671), (76, 263653), (221, 90668), (247, 81124), (323, 62036), (442, 45334), (494, 40562), (646, 31018), (884, 22667), (988, 20281), (1193, 16796), (1292, 15509), (2386, 8398), (4199, 4772)]