20329403780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{32801}}^1$

素因数の和:33069

約数の個数: 96

約数和(自身を含む): 51580488960

約数和(自身を除く): 31251085180

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 233, 266, 380, 466, 532, 665, 932, 1165, 1330, 1631, 2330, 2660, 3262, 4427, 4660, 6524, 8155, 8854, 16310, 17708, 22135, 30989, 32620, 32801, 44270, 61978, 65602, 88540, 123956, 131204, 154945, 164005, 229607, 309890, 328010, 459214, 619780, 623219, 656020, 918428, 1148035, 1246438, 2296070, 2492876, 3116095, 4362533, 4592140, 6232190, 7642633, 8725066, 12464380, 15285266, 17450132, 21812665, 30570532, 38213165, 43625330, 53498431, 76426330, 87250660, 106996862, 145210027, 152852660, 213993724, 267492155, 290420054, 534984310, 580840108, 726050135, 1016470189, 1069968620, 1452100270, 2032940378, 2904200540, 4065880756, 5082350945, 10164701890, 20329403780]

約数ペア:

[(1, 20329403780), (2, 10164701890), (4, 5082350945), (5, 4065880756), (7, 2904200540), (10, 2032940378), (14, 1452100270), (19, 1069968620), (20, 1016470189), (28, 726050135), (35, 580840108), (38, 534984310), (70, 290420054), (76, 267492155), (95, 213993724), (133, 152852660), (140, 145210027), (190, 106996862), (233, 87250660), (266, 76426330), (380, 53498431), (466, 43625330), (532, 38213165), (665, 30570532), (932, 21812665), (1165, 17450132), (1330, 15285266), (1631, 12464380), (2330, 8725066), (2660, 7642633), (3262, 6232190), (4427, 4592140), (4660, 4362533), (6524, 3116095), (8155, 2492876), (8854, 2296070), (16310, 1246438), (17708, 1148035), (22135, 918428), (30989, 656020), (32620, 623219), (32801, 619780), (44270, 459214), (61978, 328010), (65602, 309890), (88540, 229607), (123956, 164005), (131204, 154945)]