20118720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1103}}^1$

素因数の和:1142

約数の個数: 112

約数和(自身を含む): 67299840

約数和(自身を除く): 47181120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 456, 480, 570, 608, 760, 912, 960, 1103, 1140, 1216, 1520, 1824, 2206, 2280, 3040, 3309, 3648, 4412, 4560, 5515, 6080, 6618, 8824, 9120, 11030, 13236, 16545, 17648, 18240, 20957, 22060, 26472, 33090, 35296, 41914, 44120, 52944, 62871, 66180, 70592, 83828, 88240, 104785, 105888, 125742, 132360, 167656, 176480, 209570, 211776, 251484, 264720, 314355, 335312, 352960, 419140, 502968, 529440, 628710, 670624, 838280, 1005936, 1058880, 1257420, 1341248, 1676560, 2011872, 2514840, 3353120, 4023744, 5029680, 6706240, 10059360, 20118720]

約数ペア:

[(1, 20118720), (2, 10059360), (3, 6706240), (4, 5029680), (5, 4023744), (6, 3353120), (8, 2514840), (10, 2011872), (12, 1676560), (15, 1341248), (16, 1257420), (19, 1058880), (20, 1005936), (24, 838280), (30, 670624), (32, 628710), (38, 529440), (40, 502968), (48, 419140), (57, 352960), (60, 335312), (64, 314355), (76, 264720), (80, 251484), (95, 211776), (96, 209570), (114, 176480), (120, 167656), (152, 132360), (160, 125742), (190, 105888), (192, 104785), (228, 88240), (240, 83828), (285, 70592), (304, 66180), (320, 62871), (380, 52944), (456, 44120), (480, 41914), (570, 35296), (608, 33090), (760, 26472), (912, 22060), (960, 20957), (1103, 18240), (1140, 17648), (1216, 16545), (1520, 13236), (1824, 11030), (2206, 9120), (2280, 8824), (3040, 6618), (3309, 6080), (3648, 5515), (4412, 4560)]