20806483995

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{22807}}^1$

素因数の和:22945

約数の個数: 96

約数和(自身を含む): 41842644480

約数和(自身を除く): 21036160485

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 97, 99, 165, 171, 209, 285, 291, 485, 495, 627, 855, 873, 1045, 1067, 1455, 1843, 1881, 3135, 3201, 4365, 5335, 5529, 9215, 9405, 9603, 16005, 16587, 20273, 22807, 27645, 48015, 60819, 68421, 82935, 101365, 114035, 182457, 205263, 250877, 304095, 342105, 433333, 752631, 912285, 1026315, 1254385, 1299999, 2166665, 2212279, 2257893, 3763155, 3899997, 4766663, 6499995, 6636837, 11061395, 11289465, 14299989, 19499985, 19910511, 23833315, 24335069, 33184185, 42033301, 42899967, 71499945, 73005207, 99552555, 121675345, 126099903, 210166505, 214499835, 219015621, 365026035, 378299709, 462366311, 630499515, 1095078105, 1387098933, 1891498545, 2311831555, 4161296799, 6935494665, 20806483995]

約数ペア:

[(1, 20806483995), (3, 6935494665), (5, 4161296799), (9, 2311831555), (11, 1891498545), (15, 1387098933), (19, 1095078105), (33, 630499515), (45, 462366311), (55, 378299709), (57, 365026035), (95, 219015621), (97, 214499835), (99, 210166505), (165, 126099903), (171, 121675345), (209, 99552555), (285, 73005207), (291, 71499945), (485, 42899967), (495, 42033301), (627, 33184185), (855, 24335069), (873, 23833315), (1045, 19910511), (1067, 19499985), (1455, 14299989), (1843, 11289465), (1881, 11061395), (3135, 6636837), (3201, 6499995), (4365, 4766663), (5335, 3899997), (5529, 3763155), (9215, 2257893), (9405, 2212279), (9603, 2166665), (16005, 1299999), (16587, 1254385), (20273, 1026315), (22807, 912285), (27645, 752631), (48015, 433333), (60819, 342105), (68421, 304095), (82935, 250877), (101365, 205263), (114035, 182457)]