20121768

素因数分解:

$2^3\times 3^2\times {\mathrm{53}}^1\times {\mathrm{5273}}^1$

素因数の和:5338

約数の個数: 48

約数和(自身を含む): 55535220

約数和(自身を除く): 35413452

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 53, 72, 106, 159, 212, 318, 424, 477, 636, 954, 1272, 1908, 3816, 5273, 10546, 15819, 21092, 31638, 42184, 47457, 63276, 94914, 126552, 189828, 279469, 379656, 558938, 838407, 1117876, 1676814, 2235752, 2515221, 3353628, 5030442, 6707256, 10060884, 20121768]

約数ペア:

[(1, 20121768), (2, 10060884), (3, 6707256), (4, 5030442), (6, 3353628), (8, 2515221), (9, 2235752), (12, 1676814), (18, 1117876), (24, 838407), (36, 558938), (53, 379656), (72, 279469), (106, 189828), (159, 126552), (212, 94914), (318, 63276), (424, 47457), (477, 42184), (636, 31638), (954, 21092), (1272, 15819), (1908, 10546), (3816, 5273)]