20459772

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:459

約数の個数: 72

約数和(自身を含む): 55469232

約数和(自身を除く): 35009460

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 101, 102, 153, 202, 204, 303, 306, 331, 404, 606, 612, 662, 909, 993, 1212, 1324, 1717, 1818, 1986, 2979, 3434, 3636, 3972, 5151, 5627, 5958, 6868, 10302, 11254, 11916, 15453, 16881, 20604, 22508, 30906, 33431, 33762, 50643, 61812, 66862, 67524, 100293, 101286, 133724, 200586, 202572, 300879, 401172, 568327, 601758, 1136654, 1203516, 1704981, 2273308, 3409962, 5114943, 6819924, 10229886, 20459772]

約数ペア:

[(1, 20459772), (2, 10229886), (3, 6819924), (4, 5114943), (6, 3409962), (9, 2273308), (12, 1704981), (17, 1203516), (18, 1136654), (34, 601758), (36, 568327), (51, 401172), (68, 300879), (101, 202572), (102, 200586), (153, 133724), (202, 101286), (204, 100293), (303, 67524), (306, 66862), (331, 61812), (404, 50643), (606, 33762), (612, 33431), (662, 30906), (909, 22508), (993, 20604), (1212, 16881), (1324, 15453), (1717, 11916), (1818, 11254), (1986, 10302), (2979, 6868), (3434, 5958), (3636, 5627), (3972, 5151)]