20474160

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{1741}}^1$

素因数の和:1771

約数の個数: 120

約数和(自身を含む): 73874736

約数和(自身を除く): 53400576

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1741, 1960, 2352, 2940, 3482, 3920, 5223, 5880, 6964, 8705, 10446, 11760, 12187, 13928, 17410, 20892, 24374, 26115, 27856, 34820, 36561, 41784, 48748, 52230, 60935, 69640, 73122, 83568, 85309, 97496, 104460, 121870, 139280, 146244, 170618, 182805, 194992, 208920, 243740, 255927, 292488, 341236, 365610, 417840, 426545, 487480, 511854, 584976, 682472, 731220, 853090, 974960, 1023708, 1279635, 1364944, 1462440, 1706180, 2047416, 2559270, 2924880, 3412360, 4094832, 5118540, 6824720, 10237080, 20474160]

約数ペア:

[(1, 20474160), (2, 10237080), (3, 6824720), (4, 5118540), (5, 4094832), (6, 3412360), (7, 2924880), (8, 2559270), (10, 2047416), (12, 1706180), (14, 1462440), (15, 1364944), (16, 1279635), (20, 1023708), (21, 974960), (24, 853090), (28, 731220), (30, 682472), (35, 584976), (40, 511854), (42, 487480), (48, 426545), (49, 417840), (56, 365610), (60, 341236), (70, 292488), (80, 255927), (84, 243740), (98, 208920), (105, 194992), (112, 182805), (120, 170618), (140, 146244), (147, 139280), (168, 121870), (196, 104460), (210, 97496), (240, 85309), (245, 83568), (280, 73122), (294, 69640), (336, 60935), (392, 52230), (420, 48748), (490, 41784), (560, 36561), (588, 34820), (735, 27856), (784, 26115), (840, 24374), (980, 20892), (1176, 17410), (1470, 13928), (1680, 12187), (1741, 11760), (1960, 10446), (2352, 8705), (2940, 6964), (3482, 5880), (3920, 5223)]