20015952

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{227}}^1$

素因数の和:416

約数の個数: 80

約数和(自身を含む): 56996352

約数和(自身を除く): 36980400

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 167, 176, 227, 264, 334, 454, 501, 528, 668, 681, 908, 1002, 1336, 1362, 1816, 1837, 2004, 2497, 2672, 2724, 3632, 3674, 4008, 4994, 5448, 5511, 7348, 7491, 8016, 9988, 10896, 11022, 14696, 14982, 19976, 22044, 29392, 29964, 37909, 39952, 44088, 59928, 75818, 88176, 113727, 119856, 151636, 227454, 303272, 416999, 454908, 606544, 833998, 909816, 1250997, 1667996, 1819632, 2501994, 3335992, 5003988, 6671984, 10007976, 20015952]

約数ペア:

[(1, 20015952), (2, 10007976), (3, 6671984), (4, 5003988), (6, 3335992), (8, 2501994), (11, 1819632), (12, 1667996), (16, 1250997), (22, 909816), (24, 833998), (33, 606544), (44, 454908), (48, 416999), (66, 303272), (88, 227454), (132, 151636), (167, 119856), (176, 113727), (227, 88176), (264, 75818), (334, 59928), (454, 44088), (501, 39952), (528, 37909), (668, 29964), (681, 29392), (908, 22044), (1002, 19976), (1336, 14982), (1362, 14696), (1816, 11022), (1837, 10896), (2004, 9988), (2497, 8016), (2672, 7491), (2724, 7348), (3632, 5511), (3674, 5448), (4008, 4994)]