20159241438

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{557}}^1$

素因数の和:922

約数の個数: 128

約数和(自身を含む): 47902648320

約数和(自身を除く): 27743406882

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 71, 106, 142, 159, 213, 229, 318, 371, 426, 458, 497, 557, 687, 742, 994, 1113, 1114, 1374, 1491, 1603, 1671, 2226, 2982, 3206, 3342, 3763, 3899, 4809, 7526, 7798, 9618, 11289, 11697, 12137, 16259, 22578, 23394, 24274, 26341, 29521, 32518, 36411, 39547, 48777, 52682, 59042, 72822, 79023, 79094, 84959, 88563, 97554, 113813, 118641, 127553, 158046, 169918, 177126, 206647, 227626, 237282, 254877, 255106, 276829, 341439, 382659, 413294, 509754, 553658, 619941, 682878, 765318, 830487, 861727, 892871, 1239882, 1660974, 1723454, 1785742, 2095991, 2585181, 2678613, 4191982, 5170362, 5357226, 6032089, 6287973, 6760309, 9056263, 12064178, 12575946, 13520618, 14671937, 18096267, 18112526, 20280927, 27168789, 29343874, 36192534, 40561854, 44015811, 47322163, 54337578, 63393841, 88031622, 94644326, 126787682, 141966489, 190181523, 283932978, 380363046, 479981939, 959963878, 1439945817, 2879891634, 3359873573, 6719747146, 10079620719, 20159241438]

約数ペア:

[(1, 20159241438), (2, 10079620719), (3, 6719747146), (6, 3359873573), (7, 2879891634), (14, 1439945817), (21, 959963878), (42, 479981939), (53, 380363046), (71, 283932978), (106, 190181523), (142, 141966489), (159, 126787682), (213, 94644326), (229, 88031622), (318, 63393841), (371, 54337578), (426, 47322163), (458, 44015811), (497, 40561854), (557, 36192534), (687, 29343874), (742, 27168789), (994, 20280927), (1113, 18112526), (1114, 18096267), (1374, 14671937), (1491, 13520618), (1603, 12575946), (1671, 12064178), (2226, 9056263), (2982, 6760309), (3206, 6287973), (3342, 6032089), (3763, 5357226), (3899, 5170362), (4809, 4191982), (7526, 2678613), (7798, 2585181), (9618, 2095991), (11289, 1785742), (11697, 1723454), (12137, 1660974), (16259, 1239882), (22578, 892871), (23394, 861727), (24274, 830487), (26341, 765318), (29521, 682878), (32518, 619941), (36411, 553658), (39547, 509754), (48777, 413294), (52682, 382659), (59042, 341439), (72822, 276829), (79023, 255106), (79094, 254877), (84959, 237282), (88563, 227626), (97554, 206647), (113813, 177126), (118641, 169918), (127553, 158046)]