20282988

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:319

約数の個数: 72

約数和(自身を含む): 53104240

約数和(自身を除く): 32821252

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 61, 66, 121, 122, 132, 183, 229, 242, 244, 363, 366, 458, 484, 671, 687, 726, 732, 916, 1342, 1374, 1452, 2013, 2519, 2684, 2748, 4026, 5038, 7381, 7557, 8052, 10076, 13969, 14762, 15114, 22143, 27709, 27938, 29524, 30228, 41907, 44286, 55418, 55876, 83127, 83814, 88572, 110836, 153659, 166254, 167628, 307318, 332508, 460977, 614636, 921954, 1690249, 1843908, 3380498, 5070747, 6760996, 10141494, 20282988]

約数ペア:

[(1, 20282988), (2, 10141494), (3, 6760996), (4, 5070747), (6, 3380498), (11, 1843908), (12, 1690249), (22, 921954), (33, 614636), (44, 460977), (61, 332508), (66, 307318), (121, 167628), (122, 166254), (132, 153659), (183, 110836), (229, 88572), (242, 83814), (244, 83127), (363, 55876), (366, 55418), (458, 44286), (484, 41907), (671, 30228), (687, 29524), (726, 27938), (732, 27709), (916, 22143), (1342, 15114), (1374, 14762), (1452, 13969), (2013, 10076), (2519, 8052), (2684, 7557), (2748, 7381), (4026, 5038)]