20321604

素因数分解:

$2^2\times 3^7\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:149

約数の個数: 96

約数和(自身を含む): 56206080

約数和(自身を除く): 35884476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 81, 92, 101, 108, 138, 162, 202, 207, 243, 276, 303, 324, 404, 414, 486, 606, 621, 729, 828, 909, 972, 1212, 1242, 1458, 1818, 1863, 2187, 2323, 2484, 2727, 2916, 3636, 3726, 4374, 4646, 5454, 5589, 6969, 7452, 8181, 8748, 9292, 10908, 11178, 13938, 16362, 16767, 20907, 22356, 24543, 27876, 32724, 33534, 41814, 49086, 50301, 62721, 67068, 73629, 83628, 98172, 100602, 125442, 147258, 188163, 201204, 220887, 250884, 294516, 376326, 441774, 564489, 752652, 883548, 1128978, 1693467, 2257956, 3386934, 5080401, 6773868, 10160802, 20321604]

約数ペア:

[(1, 20321604), (2, 10160802), (3, 6773868), (4, 5080401), (6, 3386934), (9, 2257956), (12, 1693467), (18, 1128978), (23, 883548), (27, 752652), (36, 564489), (46, 441774), (54, 376326), (69, 294516), (81, 250884), (92, 220887), (101, 201204), (108, 188163), (138, 147258), (162, 125442), (202, 100602), (207, 98172), (243, 83628), (276, 73629), (303, 67068), (324, 62721), (404, 50301), (414, 49086), (486, 41814), (606, 33534), (621, 32724), (729, 27876), (828, 24543), (909, 22356), (972, 20907), (1212, 16767), (1242, 16362), (1458, 13938), (1818, 11178), (1863, 10908), (2187, 9292), (2323, 8748), (2484, 8181), (2727, 7452), (2916, 6969), (3636, 5589), (3726, 5454), (4374, 4646)]