20635370

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1831}}^1$

素因数の和:1875

約数の個数: 48

約数和(自身を含む): 45111168

約数和(自身を除く): 24475798

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 230, 245, 322, 490, 805, 1127, 1610, 1831, 2254, 3662, 5635, 9155, 11270, 12817, 18310, 25634, 42113, 64085, 84226, 89719, 128170, 179438, 210565, 294791, 421130, 448595, 589582, 897190, 1473955, 2063537, 2947910, 4127074, 10317685, 20635370]

約数ペア:

[(1, 20635370), (2, 10317685), (5, 4127074), (7, 2947910), (10, 2063537), (14, 1473955), (23, 897190), (35, 589582), (46, 448595), (49, 421130), (70, 294791), (98, 210565), (115, 179438), (161, 128170), (230, 89719), (245, 84226), (322, 64085), (490, 42113), (805, 25634), (1127, 18310), (1610, 12817), (1831, 11270), (2254, 9155), (3662, 5635)]