20760540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18211}}^1$

素因数の和:18242

約数の個数: 48

約数和(自身を含む): 61192320

約数和(自身を除く): 40431780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 18211, 36422, 54633, 72844, 91055, 109266, 182110, 218532, 273165, 346009, 364220, 546330, 692018, 1038027, 1092660, 1384036, 1730045, 2076054, 3460090, 4152108, 5190135, 6920180, 10380270, 20760540]

約数ペア:

[(1, 20760540), (2, 10380270), (3, 6920180), (4, 5190135), (5, 4152108), (6, 3460090), (10, 2076054), (12, 1730045), (15, 1384036), (19, 1092660), (20, 1038027), (30, 692018), (38, 546330), (57, 364220), (60, 346009), (76, 273165), (95, 218532), (114, 182110), (190, 109266), (228, 91055), (285, 72844), (380, 54633), (570, 36422), (1140, 18211)]