20668234920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{809}}^1\times {\mathrm{1009}}^1$

素因数の和:2043

約数の個数: 128

約数和(自身を含む): 62437392000

約数和(自身を除く): 41769157080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 211, 422, 633, 809, 844, 1009, 1055, 1266, 1618, 1688, 2018, 2110, 2427, 2532, 3027, 3165, 3236, 4036, 4045, 4220, 4854, 5045, 5064, 6054, 6330, 6472, 8072, 8090, 8440, 9708, 10090, 12108, 12135, 12660, 15135, 16180, 19416, 20180, 24216, 24270, 25320, 30270, 32360, 40360, 48540, 60540, 97080, 121080, 170699, 212899, 341398, 425798, 512097, 638697, 682796, 816281, 851596, 853495, 1024194, 1064495, 1277394, 1365592, 1632562, 1703192, 1706990, 2048388, 2128990, 2448843, 2554788, 2560485, 3193485, 3265124, 3413980, 4081405, 4096776, 4257980, 4897686, 5109576, 5120970, 6386970, 6530248, 6827960, 8162810, 8515960, 9795372, 10241940, 12244215, 12773940, 16325620, 19590744, 20483880, 24488430, 25547880, 32651240, 48976860, 97953720, 172235291, 344470582, 516705873, 688941164, 861176455, 1033411746, 1377882328, 1722352910, 2066823492, 2583529365, 3444705820, 4133646984, 5167058730, 6889411640, 10334117460, 20668234920]

約数ペア:

[(1, 20668234920), (2, 10334117460), (3, 6889411640), (4, 5167058730), (5, 4133646984), (6, 3444705820), (8, 2583529365), (10, 2066823492), (12, 1722352910), (15, 1377882328), (20, 1033411746), (24, 861176455), (30, 688941164), (40, 516705873), (60, 344470582), (120, 172235291), (211, 97953720), (422, 48976860), (633, 32651240), (809, 25547880), (844, 24488430), (1009, 20483880), (1055, 19590744), (1266, 16325620), (1618, 12773940), (1688, 12244215), (2018, 10241940), (2110, 9795372), (2427, 8515960), (2532, 8162810), (3027, 6827960), (3165, 6530248), (3236, 6386970), (4036, 5120970), (4045, 5109576), (4220, 4897686), (4854, 4257980), (5045, 4096776), (5064, 4081405), (6054, 3413980), (6330, 3265124), (6472, 3193485), (8072, 2560485), (8090, 2554788), (8440, 2448843), (9708, 2128990), (10090, 2048388), (12108, 1706990), (12135, 1703192), (12660, 1632562), (15135, 1365592), (16180, 1277394), (19416, 1064495), (20180, 1024194), (24216, 853495), (24270, 851596), (25320, 816281), (30270, 682796), (32360, 638697), (40360, 512097), (48540, 425798), (60540, 341398), (97080, 212899), (121080, 170699)]