20702964412

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{5683}}^1$

素因数の和:6047

約数の個数: 72

約数和(自身を含む): 41677611696

約数和(自身を除く): 20974647284

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 169, 221, 317, 338, 442, 634, 676, 884, 1268, 2873, 4121, 5389, 5683, 5746, 8242, 10778, 11366, 11492, 16484, 21556, 22732, 53573, 70057, 73879, 96611, 107146, 140114, 147758, 193222, 214292, 280228, 295516, 386444, 910741, 960427, 1255943, 1801511, 1821482, 1920854, 2511886, 3603022, 3642964, 3841708, 5023772, 7206044, 16327259, 23419643, 30625687, 32654518, 46839286, 61251374, 65309036, 93678572, 122502748, 304455359, 398133931, 608910718, 796267862, 1217821436, 1592535724, 5175741103, 10351482206, 20702964412]

約数ペア:

[(1, 20702964412), (2, 10351482206), (4, 5175741103), (13, 1592535724), (17, 1217821436), (26, 796267862), (34, 608910718), (52, 398133931), (68, 304455359), (169, 122502748), (221, 93678572), (317, 65309036), (338, 61251374), (442, 46839286), (634, 32654518), (676, 30625687), (884, 23419643), (1268, 16327259), (2873, 7206044), (4121, 5023772), (5389, 3841708), (5683, 3642964), (5746, 3603022), (8242, 2511886), (10778, 1920854), (11366, 1821482), (11492, 1801511), (16484, 1255943), (21556, 960427), (22732, 910741), (53573, 386444), (70057, 295516), (73879, 280228), (96611, 214292), (107146, 193222), (140114, 147758)]