20189165048

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1\times {\mathrm{443}}^1$

素因数の和:801

約数の個数: 128

約数和(自身を含む): 43804152000

約数和(自身を除く): 23614986952

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 149, 173, 221, 298, 346, 442, 443, 596, 692, 884, 886, 1192, 1384, 1768, 1772, 1937, 2249, 2533, 2941, 3544, 3874, 4498, 5066, 5759, 5882, 7531, 7748, 8996, 10132, 11518, 11764, 15062, 15496, 17992, 20264, 23036, 23528, 25777, 30124, 32929, 38233, 46072, 51554, 60248, 65858, 66007, 76466, 76639, 97903, 103108, 131716, 132014, 152932, 153278, 195806, 206216, 263432, 264028, 305864, 306556, 335101, 391612, 438209, 528056, 613112, 670202, 783224, 858091, 876418, 996307, 1122119, 1302863, 1340404, 1716182, 1752836, 1992614, 2244238, 2605726, 2680808, 3432364, 3505672, 3985228, 4488476, 5211452, 5696717, 6864728, 7970456, 8976952, 10422904, 11393434, 11419211, 14587547, 16937219, 22786868, 22838422, 29175094, 33874438, 45573736, 45676844, 58350188, 67748876, 91353688, 116700376, 135497752, 148449743, 194126587, 296899486, 388253174, 593798972, 776506348, 1187597944, 1553012696, 2523645631, 5047291262, 10094582524, 20189165048]

約数ペア:

[(1, 20189165048), (2, 10094582524), (4, 5047291262), (8, 2523645631), (13, 1553012696), (17, 1187597944), (26, 776506348), (34, 593798972), (52, 388253174), (68, 296899486), (104, 194126587), (136, 148449743), (149, 135497752), (173, 116700376), (221, 91353688), (298, 67748876), (346, 58350188), (442, 45676844), (443, 45573736), (596, 33874438), (692, 29175094), (884, 22838422), (886, 22786868), (1192, 16937219), (1384, 14587547), (1768, 11419211), (1772, 11393434), (1937, 10422904), (2249, 8976952), (2533, 7970456), (2941, 6864728), (3544, 5696717), (3874, 5211452), (4498, 4488476), (5066, 3985228), (5759, 3505672), (5882, 3432364), (7531, 2680808), (7748, 2605726), (8996, 2244238), (10132, 1992614), (11518, 1752836), (11764, 1716182), (15062, 1340404), (15496, 1302863), (17992, 1122119), (20264, 996307), (23036, 876418), (23528, 858091), (25777, 783224), (30124, 670202), (32929, 613112), (38233, 528056), (46072, 438209), (51554, 391612), (60248, 335101), (65858, 306556), (66007, 305864), (76466, 264028), (76639, 263432), (97903, 206216), (103108, 195806), (131716, 153278), (132014, 152932)]