20931838992

素因数分解:

$2^4\times 3^3\times {\mathrm{179}}^1\times {\mathrm{270689}}^1$

素因数の和:270885

約数の個数: 80

約数和(自身を含む): 60418008000

約数和(自身を除く): 39486169008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 179, 216, 358, 432, 537, 716, 1074, 1432, 1611, 2148, 2864, 3222, 4296, 4833, 6444, 8592, 9666, 12888, 19332, 25776, 38664, 77328, 270689, 541378, 812067, 1082756, 1624134, 2165512, 2436201, 3248268, 4331024, 4872402, 6496536, 7308603, 9744804, 12993072, 14617206, 19489608, 29234412, 38979216, 48453331, 58468824, 96906662, 116937648, 145359993, 193813324, 290719986, 387626648, 436079979, 581439972, 775253296, 872159958, 1162879944, 1308239937, 1744319916, 2325759888, 2616479874, 3488639832, 5232959748, 6977279664, 10465919496, 20931838992]

約数ペア:

[(1, 20931838992), (2, 10465919496), (3, 6977279664), (4, 5232959748), (6, 3488639832), (8, 2616479874), (9, 2325759888), (12, 1744319916), (16, 1308239937), (18, 1162879944), (24, 872159958), (27, 775253296), (36, 581439972), (48, 436079979), (54, 387626648), (72, 290719986), (108, 193813324), (144, 145359993), (179, 116937648), (216, 96906662), (358, 58468824), (432, 48453331), (537, 38979216), (716, 29234412), (1074, 19489608), (1432, 14617206), (1611, 12993072), (2148, 9744804), (2864, 7308603), (3222, 6496536), (4296, 4872402), (4833, 4331024), (6444, 3248268), (8592, 2436201), (9666, 2165512), (12888, 1624134), (19332, 1082756), (25776, 812067), (38664, 541378), (77328, 270689)]