20402172

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{26987}}^1$

素因数の和:27007

約数の個数: 48

約数和(自身を含む): 60453120

約数和(自身を除く): 40050948

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 26987, 53974, 80961, 107948, 161922, 188909, 242883, 323844, 377818, 485766, 566727, 728649, 755636, 971532, 1133454, 1457298, 1700181, 2266908, 2914596, 3400362, 5100543, 6800724, 10201086, 20402172]

約数ペア:

[(1, 20402172), (2, 10201086), (3, 6800724), (4, 5100543), (6, 3400362), (7, 2914596), (9, 2266908), (12, 1700181), (14, 1457298), (18, 1133454), (21, 971532), (27, 755636), (28, 728649), (36, 566727), (42, 485766), (54, 377818), (63, 323844), (84, 242883), (108, 188909), (126, 161922), (189, 107948), (252, 80961), (378, 53974), (756, 26987)]