20760948

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:116

約数の個数: 144

約数和(自身を含む): 61641216

約数和(自身を除く): 40880268

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 31, 36, 39, 52, 53, 54, 62, 78, 81, 93, 106, 108, 117, 124, 156, 159, 162, 186, 212, 234, 243, 279, 318, 324, 351, 372, 403, 468, 477, 486, 558, 636, 689, 702, 806, 837, 954, 972, 1053, 1116, 1209, 1378, 1404, 1431, 1612, 1643, 1674, 1908, 2067, 2106, 2418, 2511, 2756, 2862, 3159, 3286, 3348, 3627, 4134, 4212, 4293, 4836, 4929, 5022, 5724, 6201, 6318, 6572, 7254, 7533, 8268, 8586, 9858, 10044, 10881, 12402, 12636, 12879, 14508, 14787, 15066, 17172, 18603, 19716, 21359, 21762, 24804, 25758, 29574, 30132, 32643, 37206, 42718, 43524, 44361, 51516, 55809, 59148, 64077, 65286, 74412, 85436, 88722, 97929, 111618, 128154, 130572, 133083, 167427, 177444, 192231, 195858, 223236, 256308, 266166, 334854, 384462, 391716, 399249, 532332, 576693, 669708, 768924, 798498, 1153386, 1596996, 1730079, 2306772, 3460158, 5190237, 6920316, 10380474, 20760948]

約数ペア:

[(1, 20760948), (2, 10380474), (3, 6920316), (4, 5190237), (6, 3460158), (9, 2306772), (12, 1730079), (13, 1596996), (18, 1153386), (26, 798498), (27, 768924), (31, 669708), (36, 576693), (39, 532332), (52, 399249), (53, 391716), (54, 384462), (62, 334854), (78, 266166), (81, 256308), (93, 223236), (106, 195858), (108, 192231), (117, 177444), (124, 167427), (156, 133083), (159, 130572), (162, 128154), (186, 111618), (212, 97929), (234, 88722), (243, 85436), (279, 74412), (318, 65286), (324, 64077), (351, 59148), (372, 55809), (403, 51516), (468, 44361), (477, 43524), (486, 42718), (558, 37206), (636, 32643), (689, 30132), (702, 29574), (806, 25758), (837, 24804), (954, 21762), (972, 21359), (1053, 19716), (1116, 18603), (1209, 17172), (1378, 15066), (1404, 14787), (1431, 14508), (1612, 12879), (1643, 12636), (1674, 12402), (1908, 10881), (2067, 10044), (2106, 9858), (2418, 8586), (2511, 8268), (2756, 7533), (2862, 7254), (3159, 6572), (3286, 6318), (3348, 6201), (3627, 5724), (4134, 5022), (4212, 4929), (4293, 4836)]