20989868944

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{7669}}^1\times {\mathrm{15551}}^1$

素因数の和:23239

約数の個数: 40

約数和(自身を含む): 44373588480

約数和(自身を除く): 23383719536

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 7669, 15338, 15551, 30676, 31102, 61352, 62204, 84359, 122704, 124408, 168718, 171061, 248816, 337436, 342122, 674872, 684244, 1349744, 1368488, 2736976, 119260619, 238521238, 477042476, 954084952, 1311866809, 1908169904, 2623733618, 5247467236, 10494934472, 20989868944]

約数ペア:

[(1, 20989868944), (2, 10494934472), (4, 5247467236), (8, 2623733618), (11, 1908169904), (16, 1311866809), (22, 954084952), (44, 477042476), (88, 238521238), (176, 119260619), (7669, 2736976), (15338, 1368488), (15551, 1349744), (30676, 684244), (31102, 674872), (61352, 342122), (62204, 337436), (84359, 248816), (122704, 171061), (124408, 168718)]