20218573892

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{457}}^1$

素因数の和:802

約数の個数: 144

約数和(自身を含む): 43594931520

約数和(自身を除く): 23376357628

約数列:

[1, 2, 4, 11, 17, 19, 22, 34, 38, 44, 68, 76, 121, 187, 209, 242, 283, 323, 374, 418, 457, 484, 566, 646, 748, 836, 914, 1132, 1292, 1828, 2057, 2299, 3113, 3553, 4114, 4598, 4811, 5027, 5377, 6226, 7106, 7769, 8228, 8683, 9196, 9622, 10054, 10754, 12452, 14212, 15538, 17366, 19244, 20108, 21508, 31076, 34243, 34732, 39083, 52921, 55297, 59147, 68486, 78166, 85459, 91409, 95513, 105842, 110594, 118294, 129331, 136972, 147611, 156332, 170918, 182818, 191026, 211684, 221188, 236588, 258662, 295222, 341836, 365636, 382052, 517324, 582131, 590444, 650617, 940049, 1005499, 1050643, 1164262, 1301234, 1422641, 1623721, 1880098, 2010998, 2101286, 2198627, 2328524, 2457289, 2602468, 2845282, 3247442, 3760196, 4021996, 4202572, 4397254, 4914578, 5690564, 6494884, 8794508, 9829156, 11060489, 15649051, 17860931, 22120978, 24184897, 27030179, 31298102, 35721862, 41773913, 44241956, 48369794, 54060358, 62596204, 71443724, 83547826, 96739588, 108120716, 167095652, 266033867, 297331969, 459513043, 532067734, 594663938, 919026086, 1064135468, 1189327876, 1838052172, 5054643473, 10109286946, 20218573892]

約数ペア:

[(1, 20218573892), (2, 10109286946), (4, 5054643473), (11, 1838052172), (17, 1189327876), (19, 1064135468), (22, 919026086), (34, 594663938), (38, 532067734), (44, 459513043), (68, 297331969), (76, 266033867), (121, 167095652), (187, 108120716), (209, 96739588), (242, 83547826), (283, 71443724), (323, 62596204), (374, 54060358), (418, 48369794), (457, 44241956), (484, 41773913), (566, 35721862), (646, 31298102), (748, 27030179), (836, 24184897), (914, 22120978), (1132, 17860931), (1292, 15649051), (1828, 11060489), (2057, 9829156), (2299, 8794508), (3113, 6494884), (3553, 5690564), (4114, 4914578), (4598, 4397254), (4811, 4202572), (5027, 4021996), (5377, 3760196), (6226, 3247442), (7106, 2845282), (7769, 2602468), (8228, 2457289), (8683, 2328524), (9196, 2198627), (9622, 2101286), (10054, 2010998), (10754, 1880098), (12452, 1623721), (14212, 1422641), (15538, 1301234), (17366, 1164262), (19244, 1050643), (20108, 1005499), (21508, 940049), (31076, 650617), (34243, 590444), (34732, 582131), (39083, 517324), (52921, 382052), (55297, 365636), (59147, 341836), (68486, 295222), (78166, 258662), (85459, 236588), (91409, 221188), (95513, 211684), (105842, 191026), (110594, 182818), (118294, 170918), (129331, 156332), (136972, 147611)]