20974860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6133}}^1$

素因数の和:6167

約数の個数: 72

約数和(自身を含む): 66983280

約数和(自身を除く): 46008420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 6133, 12266, 18399, 24532, 30665, 36798, 55197, 61330, 73596, 91995, 110394, 116527, 122660, 183990, 220788, 233054, 275985, 349581, 367980, 466108, 551970, 582635, 699162, 1048743, 1103940, 1165270, 1398324, 1747905, 2097486, 2330540, 3495810, 4194972, 5243715, 6991620, 10487430, 20974860]

約数ペア:

[(1, 20974860), (2, 10487430), (3, 6991620), (4, 5243715), (5, 4194972), (6, 3495810), (9, 2330540), (10, 2097486), (12, 1747905), (15, 1398324), (18, 1165270), (19, 1103940), (20, 1048743), (30, 699162), (36, 582635), (38, 551970), (45, 466108), (57, 367980), (60, 349581), (76, 275985), (90, 233054), (95, 220788), (114, 183990), (171, 122660), (180, 116527), (190, 110394), (228, 91995), (285, 73596), (342, 61330), (380, 55197), (570, 36798), (684, 30665), (855, 24532), (1140, 18399), (1710, 12266), (3420, 6133)]