20172758172

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{293}}^1\times {\mathrm{19991}}^1$

素因数の和:20339

約数の個数: 96

約数和(自身を含む): 55296912384

約数和(自身を除く): 35124154212

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 82, 84, 123, 164, 246, 287, 293, 492, 574, 586, 861, 879, 1148, 1172, 1722, 1758, 2051, 3444, 3516, 4102, 6153, 8204, 12013, 12306, 19991, 24026, 24612, 36039, 39982, 48052, 59973, 72078, 79964, 84091, 119946, 139937, 144156, 168182, 239892, 252273, 279874, 336364, 419811, 504546, 559748, 819631, 839622, 1009092, 1639262, 1679244, 2458893, 3278524, 4917786, 5737417, 5857363, 9835572, 11474834, 11714726, 17212251, 17572089, 22949668, 23429452, 34424502, 35144178, 41001541, 68849004, 70288356, 82003082, 123004623, 164006164, 240151883, 246009246, 480303766, 492018492, 720455649, 960607532, 1440911298, 1681063181, 2881822596, 3362126362, 5043189543, 6724252724, 10086379086, 20172758172]

約数ペア:

[(1, 20172758172), (2, 10086379086), (3, 6724252724), (4, 5043189543), (6, 3362126362), (7, 2881822596), (12, 1681063181), (14, 1440911298), (21, 960607532), (28, 720455649), (41, 492018492), (42, 480303766), (82, 246009246), (84, 240151883), (123, 164006164), (164, 123004623), (246, 82003082), (287, 70288356), (293, 68849004), (492, 41001541), (574, 35144178), (586, 34424502), (861, 23429452), (879, 22949668), (1148, 17572089), (1172, 17212251), (1722, 11714726), (1758, 11474834), (2051, 9835572), (3444, 5857363), (3516, 5737417), (4102, 4917786), (6153, 3278524), (8204, 2458893), (12013, 1679244), (12306, 1639262), (19991, 1009092), (24026, 839622), (24612, 819631), (36039, 559748), (39982, 504546), (48052, 419811), (59973, 336364), (72078, 279874), (79964, 252273), (84091, 239892), (119946, 168182), (139937, 144156)]