20173376728

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{353}}^1$

素因数の和:689

約数の個数: 128

約数和(自身を含む): 41987911680

約数和(自身を除く): 21814534952

約数列:

[1, 2, 4, 8, 23, 31, 43, 46, 62, 86, 92, 124, 172, 184, 233, 248, 344, 353, 466, 706, 713, 932, 989, 1333, 1412, 1426, 1864, 1978, 2666, 2824, 2852, 3956, 5332, 5359, 5704, 7223, 7912, 8119, 10019, 10664, 10718, 10943, 14446, 15179, 16238, 20038, 21436, 21886, 28892, 30358, 30659, 32476, 40076, 42872, 43772, 57784, 60716, 61318, 64952, 80152, 82249, 87544, 121432, 122636, 164498, 166129, 230437, 245272, 251689, 310589, 328996, 332258, 349117, 460874, 470549, 503378, 621178, 657992, 664516, 698234, 921748, 941098, 1006756, 1242356, 1329032, 1396468, 1843496, 1882196, 1891727, 2013512, 2484712, 2549719, 2792936, 3536707, 3764392, 3783454, 5099438, 7073414, 7143547, 7566908, 10198876, 10822627, 14146828, 14287094, 15133816, 20397752, 21645254, 28293656, 28574188, 43290508, 57148376, 58643537, 81344261, 86581016, 109637917, 117287074, 162688522, 219275834, 234574148, 325377044, 438551668, 469148296, 650754088, 877103336, 2521672091, 5043344182, 10086688364, 20173376728]

約数ペア:

[(1, 20173376728), (2, 10086688364), (4, 5043344182), (8, 2521672091), (23, 877103336), (31, 650754088), (43, 469148296), (46, 438551668), (62, 325377044), (86, 234574148), (92, 219275834), (124, 162688522), (172, 117287074), (184, 109637917), (233, 86581016), (248, 81344261), (344, 58643537), (353, 57148376), (466, 43290508), (706, 28574188), (713, 28293656), (932, 21645254), (989, 20397752), (1333, 15133816), (1412, 14287094), (1426, 14146828), (1864, 10822627), (1978, 10198876), (2666, 7566908), (2824, 7143547), (2852, 7073414), (3956, 5099438), (5332, 3783454), (5359, 3764392), (5704, 3536707), (7223, 2792936), (7912, 2549719), (8119, 2484712), (10019, 2013512), (10664, 1891727), (10718, 1882196), (10943, 1843496), (14446, 1396468), (15179, 1329032), (16238, 1242356), (20038, 1006756), (21436, 941098), (21886, 921748), (28892, 698234), (30358, 664516), (30659, 657992), (32476, 621178), (40076, 503378), (42872, 470549), (43772, 460874), (57784, 349117), (60716, 332258), (61318, 328996), (64952, 310589), (80152, 251689), (82249, 245272), (87544, 230437), (121432, 166129), (122636, 164498)]