20781719244

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{4049}}^1$

素因数の和:5080

約数の個数: 144

約数和(自身を含む): 61792567200

約数和(自身を除く): 41010847956

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 997, 1287, 1716, 1994, 2574, 2991, 3988, 4049, 5148, 5982, 8098, 8973, 10967, 11964, 12147, 12961, 16196, 17946, 21934, 24294, 25922, 32901, 35892, 36441, 38883, 43868, 44539, 48588, 51844, 52637, 65802, 72882, 77766, 89078, 98703, 105274, 116649, 131604, 133617, 142571, 145764, 155532, 157911, 178156, 197406, 210548, 233298, 267234, 285142, 315822, 394812, 400851, 427713, 466596, 473733, 534468, 570284, 579007, 631644, 801702, 855426, 947466, 1158014, 1283139, 1603404, 1710852, 1737021, 1894932, 2316028, 2566278, 3474042, 4036853, 5132556, 5211063, 6948084, 8073706, 10422126, 12110559, 16147412, 20844252, 24221118, 36331677, 44405383, 48442236, 52479089, 72663354, 88810766, 104958178, 133216149, 145326708, 157437267, 177621532, 209916356, 266432298, 314874534, 399648447, 472311801, 532864596, 577269979, 629749068, 799296894, 944623602, 1154539958, 1598593788, 1731809937, 1889247204, 2309079916, 3463619874, 5195429811, 6927239748, 10390859622, 20781719244]

約数ペア:

[(1, 20781719244), (2, 10390859622), (3, 6927239748), (4, 5195429811), (6, 3463619874), (9, 2309079916), (11, 1889247204), (12, 1731809937), (13, 1598593788), (18, 1154539958), (22, 944623602), (26, 799296894), (33, 629749068), (36, 577269979), (39, 532864596), (44, 472311801), (52, 399648447), (66, 314874534), (78, 266432298), (99, 209916356), (117, 177621532), (132, 157437267), (143, 145326708), (156, 133216149), (198, 104958178), (234, 88810766), (286, 72663354), (396, 52479089), (429, 48442236), (468, 44405383), (572, 36331677), (858, 24221118), (997, 20844252), (1287, 16147412), (1716, 12110559), (1994, 10422126), (2574, 8073706), (2991, 6948084), (3988, 5211063), (4049, 5132556), (5148, 4036853), (5982, 3474042), (8098, 2566278), (8973, 2316028), (10967, 1894932), (11964, 1737021), (12147, 1710852), (12961, 1603404), (16196, 1283139), (17946, 1158014), (21934, 947466), (24294, 855426), (25922, 801702), (32901, 631644), (35892, 579007), (36441, 570284), (38883, 534468), (43868, 473733), (44539, 466596), (48588, 427713), (51844, 400851), (52637, 394812), (65802, 315822), (72882, 285142), (77766, 267234), (89078, 233298), (98703, 210548), (105274, 197406), (116649, 178156), (131604, 157911), (133617, 155532), (142571, 145764)]