20320860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{48383}}^1$

素因数の和:48402

約数の個数: 48

約数和(自身を含む): 65028096

約数和(自身を除く): 44707236

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 48383, 96766, 145149, 193532, 241915, 290298, 338681, 483830, 580596, 677362, 725745, 967660, 1016043, 1354724, 1451490, 1693405, 2032086, 2902980, 3386810, 4064172, 5080215, 6773620, 10160430, 20320860]

約数ペア:

[(1, 20320860), (2, 10160430), (3, 6773620), (4, 5080215), (5, 4064172), (6, 3386810), (7, 2902980), (10, 2032086), (12, 1693405), (14, 1451490), (15, 1354724), (20, 1016043), (21, 967660), (28, 725745), (30, 677362), (35, 580596), (42, 483830), (60, 338681), (70, 290298), (84, 241915), (105, 193532), (140, 145149), (210, 96766), (420, 48383)]