20621803136

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{472457}}^1$

素因数の和:472513

約数の個数: 64

約数和(自身を含む): 46263087360

約数和(自身を除く): 25641284224

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 124, 128, 176, 248, 341, 352, 496, 682, 704, 992, 1364, 1408, 1984, 2728, 3968, 5456, 10912, 21824, 43648, 472457, 944914, 1889828, 3779656, 5197027, 7559312, 10394054, 14646167, 15118624, 20788108, 29292334, 30237248, 41576216, 58584668, 60474496, 83152432, 117169336, 161107837, 166304864, 234338672, 322215674, 332609728, 468677344, 644431348, 665219456, 937354688, 1288862696, 1874709376, 2577725392, 5155450784, 10310901568, 20621803136]

約数ペア:

[(1, 20621803136), (2, 10310901568), (4, 5155450784), (8, 2577725392), (11, 1874709376), (16, 1288862696), (22, 937354688), (31, 665219456), (32, 644431348), (44, 468677344), (62, 332609728), (64, 322215674), (88, 234338672), (124, 166304864), (128, 161107837), (176, 117169336), (248, 83152432), (341, 60474496), (352, 58584668), (496, 41576216), (682, 30237248), (704, 29292334), (992, 20788108), (1364, 15118624), (1408, 14646167), (1984, 10394054), (2728, 7559312), (3968, 5197027), (5456, 3779656), (10912, 1889828), (21824, 944914), (43648, 472457)]