20994240

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1151}}^1$

素因数の和:1190

約数の個数: 112

約数和(自身を含む): 70225920

約数和(自身を除く): 49231680

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, 1140, 1151, 1216, 1520, 1824, 2280, 2302, 3040, 3453, 3648, 4560, 4604, 5755, 6080, 6906, 9120, 9208, 11510, 13812, 17265, 18240, 18416, 21869, 23020, 27624, 34530, 36832, 43738, 46040, 55248, 65607, 69060, 73664, 87476, 92080, 109345, 110496, 131214, 138120, 174952, 184160, 218690, 220992, 262428, 276240, 328035, 349904, 368320, 437380, 524856, 552480, 656070, 699808, 874760, 1049712, 1104960, 1312140, 1399616, 1749520, 2099424, 2624280, 3499040, 4198848, 5248560, 6998080, 10497120, 20994240]

約数ペア:

[(1, 20994240), (2, 10497120), (3, 6998080), (4, 5248560), (5, 4198848), (6, 3499040), (8, 2624280), (10, 2099424), (12, 1749520), (15, 1399616), (16, 1312140), (19, 1104960), (20, 1049712), (24, 874760), (30, 699808), (32, 656070), (38, 552480), (40, 524856), (48, 437380), (57, 368320), (60, 349904), (64, 328035), (76, 276240), (80, 262428), (95, 220992), (96, 218690), (114, 184160), (120, 174952), (152, 138120), (160, 131214), (190, 110496), (192, 109345), (228, 92080), (240, 87476), (285, 73664), (304, 69060), (320, 65607), (380, 55248), (456, 46040), (480, 43738), (570, 36832), (608, 34530), (760, 27624), (912, 23020), (960, 21869), (1140, 18416), (1151, 18240), (1216, 17265), (1520, 13812), (1824, 11510), (2280, 9208), (2302, 9120), (3040, 6906), (3453, 6080), (3648, 5755), (4560, 4604)]