20510155920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{68863}}^1$

素因数の和:68969

約数の個数: 160

約数和(自身を含む): 68244774912

約数和(自身を除く): 47734618992

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 73, 80, 85, 102, 120, 136, 146, 170, 204, 219, 240, 255, 272, 292, 340, 365, 408, 438, 510, 584, 680, 730, 816, 876, 1020, 1095, 1168, 1241, 1360, 1460, 1752, 2040, 2190, 2482, 2920, 3504, 3723, 4080, 4380, 4964, 5840, 6205, 7446, 8760, 9928, 12410, 14892, 17520, 18615, 19856, 24820, 29784, 37230, 49640, 59568, 68863, 74460, 99280, 137726, 148920, 206589, 275452, 297840, 344315, 413178, 550904, 688630, 826356, 1032945, 1101808, 1170671, 1377260, 1652712, 2065890, 2341342, 2754520, 3305424, 3512013, 4131780, 4682684, 5026999, 5509040, 5853355, 7024026, 8263560, 9365368, 10053998, 11706710, 14048052, 15080997, 16527120, 17560065, 18730736, 20107996, 23413420, 25134995, 28096104, 30161994, 35120130, 40215992, 46826840, 50269990, 56192208, 60323988, 70240260, 75404985, 80431984, 85458983, 93653680, 100539980, 120647976, 140480520, 150809970, 170917966, 201079960, 241295952, 256376949, 280961040, 301619940, 341835932, 402159920, 427294915, 512753898, 603239880, 683671864, 854589830, 1025507796, 1206479760, 1281884745, 1367343728, 1709179660, 2051015592, 2563769490, 3418359320, 4102031184, 5127538980, 6836718640, 10255077960, 20510155920]

約数ペア:

[(1, 20510155920), (2, 10255077960), (3, 6836718640), (4, 5127538980), (5, 4102031184), (6, 3418359320), (8, 2563769490), (10, 2051015592), (12, 1709179660), (15, 1367343728), (16, 1281884745), (17, 1206479760), (20, 1025507796), (24, 854589830), (30, 683671864), (34, 603239880), (40, 512753898), (48, 427294915), (51, 402159920), (60, 341835932), (68, 301619940), (73, 280961040), (80, 256376949), (85, 241295952), (102, 201079960), (120, 170917966), (136, 150809970), (146, 140480520), (170, 120647976), (204, 100539980), (219, 93653680), (240, 85458983), (255, 80431984), (272, 75404985), (292, 70240260), (340, 60323988), (365, 56192208), (408, 50269990), (438, 46826840), (510, 40215992), (584, 35120130), (680, 30161994), (730, 28096104), (816, 25134995), (876, 23413420), (1020, 20107996), (1095, 18730736), (1168, 17560065), (1241, 16527120), (1360, 15080997), (1460, 14048052), (1752, 11706710), (2040, 10053998), (2190, 9365368), (2482, 8263560), (2920, 7024026), (3504, 5853355), (3723, 5509040), (4080, 5026999), (4380, 4682684), (4964, 4131780), (5840, 3512013), (6205, 3305424), (7446, 2754520), (8760, 2341342), (9928, 2065890), (12410, 1652712), (14892, 1377260), (17520, 1170671), (18615, 1101808), (19856, 1032945), (24820, 826356), (29784, 688630), (37230, 550904), (49640, 413178), (59568, 344315), (68863, 297840), (74460, 275452), (99280, 206589), (137726, 148920)]