20189802960

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{406397}}^1$

素因数の和:406442

約数の個数: 160

約数和(自身を含む): 72566426880

約数和(自身を除く): 52376623920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 90, 92, 108, 115, 120, 135, 138, 144, 180, 184, 207, 216, 230, 240, 270, 276, 345, 360, 368, 414, 432, 460, 540, 552, 621, 690, 720, 828, 920, 1035, 1080, 1104, 1242, 1380, 1656, 1840, 2070, 2160, 2484, 2760, 3105, 3312, 4140, 4968, 5520, 6210, 8280, 9936, 12420, 16560, 24840, 49680, 406397, 812794, 1219191, 1625588, 2031985, 2438382, 3251176, 3657573, 4063970, 4876764, 6095955, 6502352, 7315146, 8127940, 9347131, 9753528, 10972719, 12191910, 14630292, 16255880, 18287865, 18694262, 19507056, 21945438, 24383820, 28041393, 29260584, 32511760, 36575730, 37388524, 43890876, 46735655, 48767640, 54863595, 56082786, 58521168, 73151460, 74777048, 84124179, 87781752, 93471310, 97535280, 109727190, 112165572, 140206965, 146302920, 149554096, 168248358, 175563504, 186942620, 219454380, 224331144, 252372537, 280413930, 292605840, 336496716, 373885240, 420620895, 438908760, 448662288, 504745074, 560827860, 672993432, 747770480, 841241790, 877817520, 1009490148, 1121655720, 1261862685, 1345986864, 1682483580, 2018980296, 2243311440, 2523725370, 3364967160, 4037960592, 5047450740, 6729934320, 10094901480, 20189802960]

約数ペア:

[(1, 20189802960), (2, 10094901480), (3, 6729934320), (4, 5047450740), (5, 4037960592), (6, 3364967160), (8, 2523725370), (9, 2243311440), (10, 2018980296), (12, 1682483580), (15, 1345986864), (16, 1261862685), (18, 1121655720), (20, 1009490148), (23, 877817520), (24, 841241790), (27, 747770480), (30, 672993432), (36, 560827860), (40, 504745074), (45, 448662288), (46, 438908760), (48, 420620895), (54, 373885240), (60, 336496716), (69, 292605840), (72, 280413930), (80, 252372537), (90, 224331144), (92, 219454380), (108, 186942620), (115, 175563504), (120, 168248358), (135, 149554096), (138, 146302920), (144, 140206965), (180, 112165572), (184, 109727190), (207, 97535280), (216, 93471310), (230, 87781752), (240, 84124179), (270, 74777048), (276, 73151460), (345, 58521168), (360, 56082786), (368, 54863595), (414, 48767640), (432, 46735655), (460, 43890876), (540, 37388524), (552, 36575730), (621, 32511760), (690, 29260584), (720, 28041393), (828, 24383820), (920, 21945438), (1035, 19507056), (1080, 18694262), (1104, 18287865), (1242, 16255880), (1380, 14630292), (1656, 12191910), (1840, 10972719), (2070, 9753528), (2160, 9347131), (2484, 8127940), (2760, 7315146), (3105, 6502352), (3312, 6095955), (4140, 4876764), (4968, 4063970), (5520, 3657573), (6210, 3251176), (8280, 2438382), (9936, 2031985), (12420, 1625588), (16560, 1219191), (24840, 812794), (49680, 406397)]