20181567680

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{13109}}^1$

素因数の和:13426

約数の個数: 112

約数和(自身を含む): 51067959840

約数和(自身を除く): 30886392160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 283, 320, 340, 544, 566, 680, 1088, 1132, 1360, 1415, 2264, 2720, 2830, 4528, 4811, 5440, 5660, 9056, 9622, 11320, 13109, 18112, 19244, 22640, 24055, 26218, 38488, 45280, 48110, 52436, 65545, 76976, 90560, 96220, 104872, 131090, 153952, 192440, 209744, 222853, 262180, 307904, 384880, 419488, 445706, 524360, 769760, 838976, 891412, 1048720, 1114265, 1539520, 1782824, 2097440, 2228530, 3565648, 3709847, 4194880, 4457060, 7131296, 7419694, 8914120, 14262592, 14839388, 17828240, 18549235, 29678776, 35656480, 37098470, 59357552, 63067399, 71312960, 74196940, 118715104, 126134798, 148393880, 237430208, 252269596, 296787760, 315336995, 504539192, 593575520, 630673990, 1009078384, 1187151040, 1261347980, 2018156768, 2522695960, 4036313536, 5045391920, 10090783840, 20181567680]

約数ペア:

[(1, 20181567680), (2, 10090783840), (4, 5045391920), (5, 4036313536), (8, 2522695960), (10, 2018156768), (16, 1261347980), (17, 1187151040), (20, 1009078384), (32, 630673990), (34, 593575520), (40, 504539192), (64, 315336995), (68, 296787760), (80, 252269596), (85, 237430208), (136, 148393880), (160, 126134798), (170, 118715104), (272, 74196940), (283, 71312960), (320, 63067399), (340, 59357552), (544, 37098470), (566, 35656480), (680, 29678776), (1088, 18549235), (1132, 17828240), (1360, 14839388), (1415, 14262592), (2264, 8914120), (2720, 7419694), (2830, 7131296), (4528, 4457060), (4811, 4194880), (5440, 3709847), (5660, 3565648), (9056, 2228530), (9622, 2097440), (11320, 1782824), (13109, 1539520), (18112, 1114265), (19244, 1048720), (22640, 891412), (24055, 838976), (26218, 769760), (38488, 524360), (45280, 445706), (48110, 419488), (52436, 384880), (65545, 307904), (76976, 262180), (90560, 222853), (96220, 209744), (104872, 192440), (131090, 153952)]