20827863648

素因数分解:

$2^5\times 3^2\times {\mathrm{409}}^1\times {\mathrm{176819}}^1$

素因数の和:177244

約数の個数: 72

約数和(自身を含む): 59374387800

約数和(自身を除く): 38546524152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 409, 818, 1227, 1636, 2454, 3272, 3681, 4908, 6544, 7362, 9816, 13088, 14724, 19632, 29448, 39264, 58896, 117792, 176819, 353638, 530457, 707276, 1060914, 1414552, 1591371, 2121828, 2829104, 3182742, 4243656, 5658208, 6365484, 8487312, 12730968, 16974624, 25461936, 50923872, 72318971, 144637942, 216956913, 289275884, 433913826, 578551768, 650870739, 867827652, 1157103536, 1301741478, 1735655304, 2314207072, 2603482956, 3471310608, 5206965912, 6942621216, 10413931824, 20827863648]

約数ペア:

[(1, 20827863648), (2, 10413931824), (3, 6942621216), (4, 5206965912), (6, 3471310608), (8, 2603482956), (9, 2314207072), (12, 1735655304), (16, 1301741478), (18, 1157103536), (24, 867827652), (32, 650870739), (36, 578551768), (48, 433913826), (72, 289275884), (96, 216956913), (144, 144637942), (288, 72318971), (409, 50923872), (818, 25461936), (1227, 16974624), (1636, 12730968), (2454, 8487312), (3272, 6365484), (3681, 5658208), (4908, 4243656), (6544, 3182742), (7362, 2829104), (9816, 2121828), (13088, 1591371), (14724, 1414552), (19632, 1060914), (29448, 707276), (39264, 530457), (58896, 353638), (117792, 176819)]