20193785997

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{881}}^1\times {\mathrm{1481}}^1$

素因数の和:2450

約数の個数: 64

約数和(自身を含む): 34131621888

約数和(自身を除く): 13937835891

約数列:

[1, 3, 7, 11, 21, 33, 67, 77, 201, 231, 469, 737, 881, 1407, 1481, 2211, 2643, 4443, 5159, 6167, 9691, 10367, 15477, 16291, 18501, 29073, 31101, 48873, 59027, 67837, 99227, 114037, 177081, 203511, 297681, 342111, 413189, 649297, 694589, 1091497, 1239567, 1304761, 1947891, 2083767, 3274491, 3914283, 4545079, 7640479, 9133327, 13635237, 14352371, 22921437, 27399981, 43057113, 87418987, 100466597, 262256961, 301399791, 611932909, 961608857, 1835798727, 2884826571, 6731261999, 20193785997]

約数ペア:

[(1, 20193785997), (3, 6731261999), (7, 2884826571), (11, 1835798727), (21, 961608857), (33, 611932909), (67, 301399791), (77, 262256961), (201, 100466597), (231, 87418987), (469, 43057113), (737, 27399981), (881, 22921437), (1407, 14352371), (1481, 13635237), (2211, 9133327), (2643, 7640479), (4443, 4545079), (5159, 3914283), (6167, 3274491), (9691, 2083767), (10367, 1947891), (15477, 1304761), (16291, 1239567), (18501, 1091497), (29073, 694589), (31101, 649297), (48873, 413189), (59027, 342111), (67837, 297681), (99227, 203511), (114037, 177081)]