20390616

素因数分解:

$2^3\times 3^5\times {\mathrm{17}}^1\times {\mathrm{617}}^1$

素因数の和:655

約数の個数: 96

約数和(自身を含む): 60737040

約数和(自身を除く): 40346424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 51, 54, 68, 72, 81, 102, 108, 136, 153, 162, 204, 216, 243, 306, 324, 408, 459, 486, 612, 617, 648, 918, 972, 1224, 1234, 1377, 1836, 1851, 1944, 2468, 2754, 3672, 3702, 4131, 4936, 5508, 5553, 7404, 8262, 10489, 11016, 11106, 14808, 16524, 16659, 20978, 22212, 31467, 33048, 33318, 41956, 44424, 49977, 62934, 66636, 83912, 94401, 99954, 125868, 133272, 149931, 188802, 199908, 251736, 283203, 299862, 377604, 399816, 566406, 599724, 755208, 849609, 1132812, 1199448, 1699218, 2265624, 2548827, 3398436, 5097654, 6796872, 10195308, 20390616]

約数ペア:

[(1, 20390616), (2, 10195308), (3, 6796872), (4, 5097654), (6, 3398436), (8, 2548827), (9, 2265624), (12, 1699218), (17, 1199448), (18, 1132812), (24, 849609), (27, 755208), (34, 599724), (36, 566406), (51, 399816), (54, 377604), (68, 299862), (72, 283203), (81, 251736), (102, 199908), (108, 188802), (136, 149931), (153, 133272), (162, 125868), (204, 99954), (216, 94401), (243, 83912), (306, 66636), (324, 62934), (408, 49977), (459, 44424), (486, 41956), (612, 33318), (617, 33048), (648, 31467), (918, 22212), (972, 20978), (1224, 16659), (1234, 16524), (1377, 14808), (1836, 11106), (1851, 11016), (1944, 10489), (2468, 8262), (2754, 7404), (3672, 5553), (3702, 5508), (4131, 4936)]