20164465620

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{319159}}^1$

素因数の和:319196

約数の個数: 144

約数和(自身を含む): 68310453120

約数和(自身を除く): 48145987500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 243, 260, 270, 324, 351, 390, 405, 468, 486, 540, 585, 702, 780, 810, 972, 1053, 1170, 1215, 1404, 1620, 1755, 2106, 2340, 2430, 3159, 3510, 4212, 4860, 5265, 6318, 7020, 10530, 12636, 15795, 21060, 31590, 63180, 319159, 638318, 957477, 1276636, 1595795, 1914954, 2872431, 3191590, 3829908, 4149067, 4787385, 5744862, 6383180, 8298134, 8617293, 9574770, 11489724, 12447201, 14362155, 16596268, 17234586, 19149540, 20745335, 24894402, 25851879, 28724310, 34469172, 37341603, 41490670, 43086465, 49788804, 51703758, 57448620, 62236005, 74683206, 77555637, 82981340, 86172930, 103407516, 112024809, 124472010, 129259395, 149366412, 155111274, 172345860, 186708015, 224049618, 248944020, 258518790, 310222548, 336074427, 373416030, 387778185, 448099236, 517037580, 560124045, 672148854, 746832060, 775556370, 1008223281, 1120248090, 1344297708, 1551112740, 1680372135, 2016446562, 2240496180, 3360744270, 4032893124, 5041116405, 6721488540, 10082232810, 20164465620]

約数ペア:

[(1, 20164465620), (2, 10082232810), (3, 6721488540), (4, 5041116405), (5, 4032893124), (6, 3360744270), (9, 2240496180), (10, 2016446562), (12, 1680372135), (13, 1551112740), (15, 1344297708), (18, 1120248090), (20, 1008223281), (26, 775556370), (27, 746832060), (30, 672148854), (36, 560124045), (39, 517037580), (45, 448099236), (52, 387778185), (54, 373416030), (60, 336074427), (65, 310222548), (78, 258518790), (81, 248944020), (90, 224049618), (108, 186708015), (117, 172345860), (130, 155111274), (135, 149366412), (156, 129259395), (162, 124472010), (180, 112024809), (195, 103407516), (234, 86172930), (243, 82981340), (260, 77555637), (270, 74683206), (324, 62236005), (351, 57448620), (390, 51703758), (405, 49788804), (468, 43086465), (486, 41490670), (540, 37341603), (585, 34469172), (702, 28724310), (780, 25851879), (810, 24894402), (972, 20745335), (1053, 19149540), (1170, 17234586), (1215, 16596268), (1404, 14362155), (1620, 12447201), (1755, 11489724), (2106, 9574770), (2340, 8617293), (2430, 8298134), (3159, 6383180), (3510, 5744862), (4212, 4787385), (4860, 4149067), (5265, 3829908), (6318, 3191590), (7020, 2872431), (10530, 1914954), (12636, 1595795), (15795, 1276636), (21060, 957477), (31590, 638318), (63180, 319159)]