20148645867

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{131}}^1\times {\mathrm{4357}}^1$

素因数の和:4580

約数の個数: 48

約数和(自身を含む): 31717314816

約数和(自身を除く): 11568668949

約数列:

[1, 3, 7, 21, 41, 123, 131, 287, 393, 861, 917, 1681, 2751, 4357, 5043, 5371, 11767, 13071, 16113, 30499, 35301, 37597, 91497, 112791, 178637, 220211, 535911, 570767, 660633, 1250459, 1541477, 1712301, 3751377, 3995369, 4624431, 7324117, 11986107, 21972351, 23401447, 51268819, 70204341, 153806457, 163810129, 491430387, 959459327, 2878377981, 6716215289, 20148645867]

約数ペア:

[(1, 20148645867), (3, 6716215289), (7, 2878377981), (21, 959459327), (41, 491430387), (123, 163810129), (131, 153806457), (287, 70204341), (393, 51268819), (861, 23401447), (917, 21972351), (1681, 11986107), (2751, 7324117), (4357, 4624431), (5043, 3995369), (5371, 3751377), (11767, 1712301), (13071, 1541477), (16113, 1250459), (30499, 660633), (35301, 570767), (37597, 535911), (91497, 220211), (112791, 178637)]