20787584013

素因数分解:

$3^3\times 7^1\times {\mathrm{15901}}^1\times {\mathrm{6917}}^1$

素因数の和:22834

約数の個数: 32

約数和(自身を含む): 35203211520

約数和(自身を除く): 14415627507

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 6917, 15901, 20751, 47703, 48419, 62253, 111307, 143109, 145257, 186759, 333921, 429327, 435771, 1001763, 1307313, 3005289, 109987217, 329961651, 769910519, 989884953, 2309731557, 2969654859, 6929194671, 20787584013]

約数ペア:

[(1, 20787584013), (3, 6929194671), (7, 2969654859), (9, 2309731557), (21, 989884953), (27, 769910519), (63, 329961651), (189, 109987217), (6917, 3005289), (15901, 1307313), (20751, 1001763), (47703, 435771), (48419, 429327), (62253, 333921), (111307, 186759), (143109, 145257)]