20218661640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{37517}}^1$

素因数の和:38036

約数の個数: 128

約数和(自身を含む): 67532400000

約数和(自身を除く): 47313738360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 499, 540, 998, 1080, 1497, 1996, 2495, 2994, 3992, 4491, 4990, 5988, 7485, 8982, 9980, 11976, 13473, 14970, 17964, 19960, 22455, 26946, 29940, 35928, 37517, 44910, 53892, 59880, 67365, 75034, 89820, 107784, 112551, 134730, 150068, 179640, 187585, 225102, 269460, 300136, 337653, 375170, 450204, 538920, 562755, 675306, 750340, 900408, 1012959, 1125510, 1350612, 1500680, 1688265, 2025918, 2251020, 2701224, 3376530, 4051836, 4502040, 5064795, 6753060, 8103672, 10129590, 13506120, 18720983, 20259180, 37441966, 40518360, 56162949, 74883932, 93604915, 112325898, 149767864, 168488847, 187209830, 224651796, 280814745, 336977694, 374419660, 449303592, 505466541, 561629490, 673955388, 748839320, 842444235, 1010933082, 1123258980, 1347910776, 1684888470, 2021866164, 2246517960, 2527332705, 3369776940, 4043732328, 5054665410, 6739553880, 10109330820, 20218661640]

約数ペア:

[(1, 20218661640), (2, 10109330820), (3, 6739553880), (4, 5054665410), (5, 4043732328), (6, 3369776940), (8, 2527332705), (9, 2246517960), (10, 2021866164), (12, 1684888470), (15, 1347910776), (18, 1123258980), (20, 1010933082), (24, 842444235), (27, 748839320), (30, 673955388), (36, 561629490), (40, 505466541), (45, 449303592), (54, 374419660), (60, 336977694), (72, 280814745), (90, 224651796), (108, 187209830), (120, 168488847), (135, 149767864), (180, 112325898), (216, 93604915), (270, 74883932), (360, 56162949), (499, 40518360), (540, 37441966), (998, 20259180), (1080, 18720983), (1497, 13506120), (1996, 10129590), (2495, 8103672), (2994, 6753060), (3992, 5064795), (4491, 4502040), (4990, 4051836), (5988, 3376530), (7485, 2701224), (8982, 2251020), (9980, 2025918), (11976, 1688265), (13473, 1500680), (14970, 1350612), (17964, 1125510), (19960, 1012959), (22455, 900408), (26946, 750340), (29940, 675306), (35928, 562755), (37517, 538920), (44910, 450204), (53892, 375170), (59880, 337653), (67365, 300136), (75034, 269460), (89820, 225102), (107784, 187585), (112551, 179640), (134730, 150068)]