20121949575

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{26561}}^1$

素因数の和:26634

約数の個数: 144

約数和(自身を含む): 45558292416

約数和(自身を除く): 25436342841

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 35, 37, 39, 45, 63, 65, 75, 91, 105, 111, 117, 175, 185, 195, 225, 259, 273, 315, 325, 333, 455, 481, 525, 555, 585, 777, 819, 925, 975, 1295, 1365, 1443, 1575, 1665, 2275, 2331, 2405, 2775, 2925, 3367, 3885, 4095, 4329, 6475, 6825, 7215, 8325, 10101, 11655, 12025, 16835, 19425, 20475, 21645, 26561, 30303, 36075, 50505, 58275, 79683, 84175, 108225, 132805, 151515, 185927, 239049, 252525, 345293, 398415, 557781, 664025, 757575, 929635, 982757, 1035879, 1195245, 1673343, 1726465, 1992075, 2417051, 2788905, 2948271, 3107637, 4648175, 4913785, 5179395, 5976225, 6879299, 7251153, 8366715, 8632325, 8844813, 12085255, 12775841, 13944525, 14741355, 15538185, 20637897, 21753459, 24568925, 25896975, 34396495, 36255765, 38327523, 41833575, 44224065, 60426275, 61913691, 63879205, 73706775, 77690925, 89430887, 103189485, 108767295, 114982569, 171982475, 181278825, 191637615, 221120325, 268292661, 309568455, 319396025, 447154435, 515947425, 543836475, 574912845, 804877983, 958188075, 1341463305, 1547842275, 2235772175, 2874564225, 4024389915, 6707316525, 20121949575]

約数ペア:

[(1, 20121949575), (3, 6707316525), (5, 4024389915), (7, 2874564225), (9, 2235772175), (13, 1547842275), (15, 1341463305), (21, 958188075), (25, 804877983), (35, 574912845), (37, 543836475), (39, 515947425), (45, 447154435), (63, 319396025), (65, 309568455), (75, 268292661), (91, 221120325), (105, 191637615), (111, 181278825), (117, 171982475), (175, 114982569), (185, 108767295), (195, 103189485), (225, 89430887), (259, 77690925), (273, 73706775), (315, 63879205), (325, 61913691), (333, 60426275), (455, 44224065), (481, 41833575), (525, 38327523), (555, 36255765), (585, 34396495), (777, 25896975), (819, 24568925), (925, 21753459), (975, 20637897), (1295, 15538185), (1365, 14741355), (1443, 13944525), (1575, 12775841), (1665, 12085255), (2275, 8844813), (2331, 8632325), (2405, 8366715), (2775, 7251153), (2925, 6879299), (3367, 5976225), (3885, 5179395), (4095, 4913785), (4329, 4648175), (6475, 3107637), (6825, 2948271), (7215, 2788905), (8325, 2417051), (10101, 1992075), (11655, 1726465), (12025, 1673343), (16835, 1195245), (19425, 1035879), (20475, 982757), (21645, 929635), (26561, 757575), (30303, 664025), (36075, 557781), (50505, 398415), (58275, 345293), (79683, 252525), (84175, 239049), (108225, 185927), (132805, 151515)]