20732364688

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{253229}}^1$

素因数の和:253304

約数の個数: 80

約数和(自身を含む): 49738423680

約数和(自身を除く): 29006058992

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 43, 56, 68, 86, 112, 119, 136, 172, 238, 272, 301, 344, 476, 602, 688, 731, 952, 1204, 1462, 1904, 2408, 2924, 4816, 5117, 5848, 10234, 11696, 20468, 40936, 81872, 253229, 506458, 1012916, 1772603, 2025832, 3545206, 4051664, 4304893, 7090412, 8609786, 10888847, 14180824, 17219572, 21777694, 28361648, 30134251, 34439144, 43555388, 60268502, 68878288, 76221929, 87110776, 120537004, 152443858, 174221552, 185110399, 241074008, 304887716, 370220798, 482148016, 609775432, 740441596, 1219550864, 1295772793, 1480883192, 2591545586, 2961766384, 5183091172, 10366182344, 20732364688]

約数ペア:

[(1, 20732364688), (2, 10366182344), (4, 5183091172), (7, 2961766384), (8, 2591545586), (14, 1480883192), (16, 1295772793), (17, 1219550864), (28, 740441596), (34, 609775432), (43, 482148016), (56, 370220798), (68, 304887716), (86, 241074008), (112, 185110399), (119, 174221552), (136, 152443858), (172, 120537004), (238, 87110776), (272, 76221929), (301, 68878288), (344, 60268502), (476, 43555388), (602, 34439144), (688, 30134251), (731, 28361648), (952, 21777694), (1204, 17219572), (1462, 14180824), (1904, 10888847), (2408, 8609786), (2924, 7090412), (4816, 4304893), (5117, 4051664), (5848, 3545206), (10234, 2025832), (11696, 1772603), (20468, 1012916), (40936, 506458), (81872, 253229)]