20237664867

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1\times {\mathrm{773}}^1$

素因数の和:1272

約数の個数: 64

約数和(自身を含む): 32083476480

約数和(自身を除く): 11845811613

約数列:

[1, 3, 7, 21, 43, 79, 129, 237, 301, 367, 553, 773, 903, 1101, 1659, 2319, 2569, 3397, 5411, 7707, 10191, 15781, 16233, 23779, 28993, 33239, 47343, 61067, 71337, 86979, 99717, 110467, 183201, 202951, 232673, 283691, 331401, 427469, 608853, 698019, 851073, 1246699, 1282407, 1985837, 2625881, 3740097, 5957511, 7877643, 8726893, 12198713, 18381167, 22411589, 26180679, 36596139, 55143501, 67234767, 85390991, 156881123, 256172973, 470643369, 963698327, 2891094981, 6745888289, 20237664867]

約数ペア:

[(1, 20237664867), (3, 6745888289), (7, 2891094981), (21, 963698327), (43, 470643369), (79, 256172973), (129, 156881123), (237, 85390991), (301, 67234767), (367, 55143501), (553, 36596139), (773, 26180679), (903, 22411589), (1101, 18381167), (1659, 12198713), (2319, 8726893), (2569, 7877643), (3397, 5957511), (5411, 3740097), (7707, 2625881), (10191, 1985837), (15781, 1282407), (16233, 1246699), (23779, 851073), (28993, 698019), (33239, 608853), (47343, 427469), (61067, 331401), (71337, 283691), (86979, 232673), (99717, 202951), (110467, 183201)]