20206436120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{6299}}^1$

素因数の和:6553

約数の個数: 128

約数和(自身を含む): 50803200000

約数和(自身を除く): 30596763880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 199, 248, 260, 310, 398, 403, 520, 620, 796, 806, 995, 1240, 1592, 1612, 1990, 2015, 2587, 3224, 3980, 4030, 5174, 6169, 6299, 7960, 8060, 10348, 12338, 12598, 12935, 16120, 20696, 24676, 25196, 25870, 30845, 31495, 49352, 50392, 51740, 61690, 62990, 80197, 81887, 103480, 123380, 125980, 160394, 163774, 195269, 246760, 251960, 320788, 327548, 390538, 400985, 409435, 641576, 655096, 781076, 801970, 818870, 976345, 1253501, 1562152, 1603940, 1637740, 1952690, 2507002, 2538497, 3207880, 3275480, 3905380, 5014004, 5076994, 6267505, 7810760, 10028008, 10153988, 12535010, 12692485, 16295513, 20307976, 25070020, 25384970, 32591026, 38858531, 50140040, 50769940, 65182052, 77717062, 81477565, 101539880, 130364104, 155434124, 162955130, 194292655, 310868248, 325910260, 388585310, 505160903, 651820520, 777170620, 1010321806, 1554341240, 2020643612, 2525804515, 4041287224, 5051609030, 10103218060, 20206436120]

約数ペア:

[(1, 20206436120), (2, 10103218060), (4, 5051609030), (5, 4041287224), (8, 2525804515), (10, 2020643612), (13, 1554341240), (20, 1010321806), (26, 777170620), (31, 651820520), (40, 505160903), (52, 388585310), (62, 325910260), (65, 310868248), (104, 194292655), (124, 162955130), (130, 155434124), (155, 130364104), (199, 101539880), (248, 81477565), (260, 77717062), (310, 65182052), (398, 50769940), (403, 50140040), (520, 38858531), (620, 32591026), (796, 25384970), (806, 25070020), (995, 20307976), (1240, 16295513), (1592, 12692485), (1612, 12535010), (1990, 10153988), (2015, 10028008), (2587, 7810760), (3224, 6267505), (3980, 5076994), (4030, 5014004), (5174, 3905380), (6169, 3275480), (6299, 3207880), (7960, 2538497), (8060, 2507002), (10348, 1952690), (12338, 1637740), (12598, 1603940), (12935, 1562152), (16120, 1253501), (20696, 976345), (24676, 818870), (25196, 801970), (25870, 781076), (30845, 655096), (31495, 641576), (49352, 409435), (50392, 400985), (51740, 390538), (61690, 327548), (62990, 320788), (80197, 251960), (81887, 246760), (103480, 195269), (123380, 163774), (125980, 160394)]