20985276

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:271

約数の個数: 96

約数和(自身を含む): 57492288

約数和(自身を除く): 36507012

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 41, 51, 52, 68, 78, 82, 102, 123, 156, 164, 193, 204, 221, 246, 386, 442, 492, 533, 579, 663, 697, 772, 884, 1066, 1158, 1326, 1394, 1599, 2091, 2132, 2316, 2509, 2652, 2788, 3198, 3281, 4182, 5018, 6396, 6562, 7527, 7913, 8364, 9061, 9843, 10036, 13124, 15054, 15826, 18122, 19686, 23739, 27183, 30108, 31652, 36244, 39372, 42653, 47478, 54366, 85306, 94956, 102869, 108732, 127959, 134521, 170612, 205738, 255918, 269042, 308607, 403563, 411476, 511836, 538084, 617214, 807126, 1234428, 1614252, 1748773, 3497546, 5246319, 6995092, 10492638, 20985276]

約数ペア:

[(1, 20985276), (2, 10492638), (3, 6995092), (4, 5246319), (6, 3497546), (12, 1748773), (13, 1614252), (17, 1234428), (26, 807126), (34, 617214), (39, 538084), (41, 511836), (51, 411476), (52, 403563), (68, 308607), (78, 269042), (82, 255918), (102, 205738), (123, 170612), (156, 134521), (164, 127959), (193, 108732), (204, 102869), (221, 94956), (246, 85306), (386, 54366), (442, 47478), (492, 42653), (533, 39372), (579, 36244), (663, 31652), (697, 30108), (772, 27183), (884, 23739), (1066, 19686), (1158, 18122), (1326, 15826), (1394, 15054), (1599, 13124), (2091, 10036), (2132, 9843), (2316, 9061), (2509, 8364), (2652, 7913), (2788, 7527), (3198, 6562), (3281, 6396), (4182, 5018)]