20863008

素因数分解:

$2^5\times 3^5\times {\mathrm{2683}}^1$

素因数の和:2708

約数の個数: 72

約数和(自身を含む): 61549488

約数和(自身を除く): 40686480

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 243, 288, 324, 432, 486, 648, 864, 972, 1296, 1944, 2592, 2683, 3888, 5366, 7776, 8049, 10732, 16098, 21464, 24147, 32196, 42928, 48294, 64392, 72441, 85856, 96588, 128784, 144882, 193176, 217323, 257568, 289764, 386352, 434646, 579528, 651969, 772704, 869292, 1159056, 1303938, 1738584, 2318112, 2607876, 3477168, 5215752, 6954336, 10431504, 20863008]

約数ペア:

[(1, 20863008), (2, 10431504), (3, 6954336), (4, 5215752), (6, 3477168), (8, 2607876), (9, 2318112), (12, 1738584), (16, 1303938), (18, 1159056), (24, 869292), (27, 772704), (32, 651969), (36, 579528), (48, 434646), (54, 386352), (72, 289764), (81, 257568), (96, 217323), (108, 193176), (144, 144882), (162, 128784), (216, 96588), (243, 85856), (288, 72441), (324, 64392), (432, 48294), (486, 42928), (648, 32196), (864, 24147), (972, 21464), (1296, 16098), (1944, 10732), (2592, 8049), (2683, 7776), (3888, 5366)]