20959722

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:186

約数の個数: 96

約数和(自身を含む): 55246464

約数和(自身を除く): 34286742

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 61, 63, 81, 101, 122, 126, 162, 183, 189, 202, 243, 303, 366, 378, 427, 486, 549, 567, 606, 707, 854, 909, 1098, 1134, 1281, 1414, 1647, 1701, 1818, 2121, 2562, 2727, 3294, 3402, 3843, 4242, 4941, 5454, 6161, 6363, 7686, 8181, 9882, 11529, 12322, 12726, 14823, 16362, 18483, 19089, 23058, 24543, 29646, 34587, 36966, 38178, 43127, 49086, 55449, 57267, 69174, 86254, 103761, 110898, 114534, 129381, 166347, 171801, 207522, 258762, 332694, 343602, 388143, 499041, 776286, 998082, 1164429, 1497123, 2328858, 2994246, 3493287, 6986574, 10479861, 20959722]

約数ペア:

[(1, 20959722), (2, 10479861), (3, 6986574), (6, 3493287), (7, 2994246), (9, 2328858), (14, 1497123), (18, 1164429), (21, 998082), (27, 776286), (42, 499041), (54, 388143), (61, 343602), (63, 332694), (81, 258762), (101, 207522), (122, 171801), (126, 166347), (162, 129381), (183, 114534), (189, 110898), (202, 103761), (243, 86254), (303, 69174), (366, 57267), (378, 55449), (427, 49086), (486, 43127), (549, 38178), (567, 36966), (606, 34587), (707, 29646), (854, 24543), (909, 23058), (1098, 19089), (1134, 18483), (1281, 16362), (1414, 14823), (1647, 12726), (1701, 12322), (1818, 11529), (2121, 9882), (2562, 8181), (2727, 7686), (3294, 6363), (3402, 6161), (3843, 5454), (4242, 4941)]