20349621882

素因数分解:

$2^1\times 3^2\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{52561}}^1$

素因数の和:52863

約数の個数: 48

約数和(自身を含む): 44696412072

約数和(自身を除く): 24346790190

約数列:

[1, 2, 3, 6, 9, 18, 137, 157, 274, 314, 411, 471, 822, 942, 1233, 1413, 2466, 2826, 21509, 43018, 52561, 64527, 105122, 129054, 157683, 193581, 315366, 387162, 473049, 946098, 7200857, 8252077, 14401714, 16504154, 21602571, 24756231, 43205142, 49512462, 64807713, 74268693, 129615426, 148537386, 1130534549, 2261069098, 3391603647, 6783207294, 10174810941, 20349621882]

約数ペア:

[(1, 20349621882), (2, 10174810941), (3, 6783207294), (6, 3391603647), (9, 2261069098), (18, 1130534549), (137, 148537386), (157, 129615426), (274, 74268693), (314, 64807713), (411, 49512462), (471, 43205142), (822, 24756231), (942, 21602571), (1233, 16504154), (1413, 14401714), (2466, 8252077), (2826, 7200857), (21509, 946098), (43018, 473049), (52561, 387162), (64527, 315366), (105122, 193581), (129054, 157683)]