20196919505

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{3643}}^1$

素因数の和:3846

約数の個数: 64

約数和(自身を含む): 29620297728

約数和(自身を除く): 9423378223

約数列:

[1, 5, 7, 23, 35, 71, 97, 115, 161, 355, 485, 497, 679, 805, 1633, 2231, 2485, 3395, 3643, 6887, 8165, 11155, 11431, 15617, 18215, 25501, 34435, 48209, 57155, 78085, 83789, 127505, 158401, 241045, 258653, 353371, 418945, 586523, 792005, 1108807, 1293265, 1766855, 1810571, 2473597, 2932615, 5544035, 5949019, 8127533, 9052855, 12367985, 25089341, 29745095, 40637665, 41643133, 56892731, 125446705, 175625387, 208215665, 284463655, 577054843, 878126935, 2885274215, 4039383901, 20196919505]

約数ペア:

[(1, 20196919505), (5, 4039383901), (7, 2885274215), (23, 878126935), (35, 577054843), (71, 284463655), (97, 208215665), (115, 175625387), (161, 125446705), (355, 56892731), (485, 41643133), (497, 40637665), (679, 29745095), (805, 25089341), (1633, 12367985), (2231, 9052855), (2485, 8127533), (3395, 5949019), (3643, 5544035), (6887, 2932615), (8165, 2473597), (11155, 1810571), (11431, 1766855), (15617, 1293265), (18215, 1108807), (25501, 792005), (34435, 586523), (48209, 418945), (57155, 353371), (78085, 258653), (83789, 241045), (127505, 158401)]