20173140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:298

約数の個数: 144

約数和(自身を含む): 67970448

約数和(自身を除く): 47797308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 37, 39, 45, 52, 60, 65, 74, 78, 90, 111, 117, 130, 148, 156, 180, 185, 195, 222, 233, 234, 260, 333, 370, 390, 444, 466, 468, 481, 555, 585, 666, 699, 740, 780, 932, 962, 1110, 1165, 1170, 1332, 1398, 1443, 1665, 1924, 2097, 2220, 2330, 2340, 2405, 2796, 2886, 3029, 3330, 3495, 4194, 4329, 4660, 4810, 5772, 6058, 6660, 6990, 7215, 8388, 8621, 8658, 9087, 9620, 10485, 12116, 13980, 14430, 15145, 17242, 17316, 18174, 20970, 21645, 25863, 27261, 28860, 30290, 34484, 36348, 41940, 43105, 43290, 45435, 51726, 54522, 60580, 77589, 86210, 86580, 90870, 103452, 109044, 112073, 129315, 136305, 155178, 172420, 181740, 224146, 258630, 272610, 310356, 336219, 387945, 448292, 517260, 545220, 560365, 672438, 775890, 1008657, 1120730, 1344876, 1551780, 1681095, 2017314, 2241460, 3362190, 4034628, 5043285, 6724380, 10086570, 20173140]

約数ペア:

[(1, 20173140), (2, 10086570), (3, 6724380), (4, 5043285), (5, 4034628), (6, 3362190), (9, 2241460), (10, 2017314), (12, 1681095), (13, 1551780), (15, 1344876), (18, 1120730), (20, 1008657), (26, 775890), (30, 672438), (36, 560365), (37, 545220), (39, 517260), (45, 448292), (52, 387945), (60, 336219), (65, 310356), (74, 272610), (78, 258630), (90, 224146), (111, 181740), (117, 172420), (130, 155178), (148, 136305), (156, 129315), (180, 112073), (185, 109044), (195, 103452), (222, 90870), (233, 86580), (234, 86210), (260, 77589), (333, 60580), (370, 54522), (390, 51726), (444, 45435), (466, 43290), (468, 43105), (481, 41940), (555, 36348), (585, 34484), (666, 30290), (699, 28860), (740, 27261), (780, 25863), (932, 21645), (962, 20970), (1110, 18174), (1165, 17316), (1170, 17242), (1332, 15145), (1398, 14430), (1443, 13980), (1665, 12116), (1924, 10485), (2097, 9620), (2220, 9087), (2330, 8658), (2340, 8621), (2405, 8388), (2796, 7215), (2886, 6990), (3029, 6660), (3330, 6058), (3495, 5772), (4194, 4810), (4329, 4660)]