20443320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{823}}^1$

素因数の和:866

約数の個数: 128

約数和(自身を含む): 71193600

約数和(自身を除く): 50750280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 90, 92, 108, 115, 120, 135, 138, 180, 184, 207, 216, 230, 270, 276, 345, 360, 414, 460, 540, 552, 621, 690, 823, 828, 920, 1035, 1080, 1242, 1380, 1646, 1656, 2070, 2469, 2484, 2760, 3105, 3292, 4115, 4140, 4938, 4968, 6210, 6584, 7407, 8230, 8280, 9876, 12345, 12420, 14814, 16460, 18929, 19752, 22221, 24690, 24840, 29628, 32920, 37035, 37858, 44442, 49380, 56787, 59256, 74070, 75716, 88884, 94645, 98760, 111105, 113574, 148140, 151432, 170361, 177768, 189290, 222210, 227148, 283935, 296280, 340722, 378580, 444420, 454296, 511083, 567870, 681444, 757160, 851805, 888840, 1022166, 1135740, 1362888, 1703610, 2044332, 2271480, 2555415, 3407220, 4088664, 5110830, 6814440, 10221660, 20443320]

約数ペア:

[(1, 20443320), (2, 10221660), (3, 6814440), (4, 5110830), (5, 4088664), (6, 3407220), (8, 2555415), (9, 2271480), (10, 2044332), (12, 1703610), (15, 1362888), (18, 1135740), (20, 1022166), (23, 888840), (24, 851805), (27, 757160), (30, 681444), (36, 567870), (40, 511083), (45, 454296), (46, 444420), (54, 378580), (60, 340722), (69, 296280), (72, 283935), (90, 227148), (92, 222210), (108, 189290), (115, 177768), (120, 170361), (135, 151432), (138, 148140), (180, 113574), (184, 111105), (207, 98760), (216, 94645), (230, 88884), (270, 75716), (276, 74070), (345, 59256), (360, 56787), (414, 49380), (460, 44442), (540, 37858), (552, 37035), (621, 32920), (690, 29628), (823, 24840), (828, 24690), (920, 22221), (1035, 19752), (1080, 18929), (1242, 16460), (1380, 14814), (1646, 12420), (1656, 12345), (2070, 9876), (2469, 8280), (2484, 8230), (2760, 7407), (3105, 6584), (3292, 6210), (4115, 4968), (4140, 4938)]