20556162

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:264

約数の個数: 96

約数和(自身を含む): 53374464

約数和(自身を除く): 32818302

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 31, 33, 34, 51, 62, 66, 93, 99, 102, 153, 186, 187, 197, 198, 279, 306, 341, 374, 394, 527, 558, 561, 591, 682, 1023, 1054, 1122, 1182, 1581, 1683, 1773, 2046, 2167, 3069, 3162, 3349, 3366, 3546, 4334, 4743, 5797, 6107, 6138, 6501, 6698, 9486, 10047, 11594, 12214, 13002, 17391, 18321, 19503, 20094, 30141, 34782, 36642, 36839, 39006, 52173, 54963, 60282, 67177, 73678, 103819, 104346, 109926, 110517, 134354, 201531, 207638, 221034, 311457, 331551, 403062, 604593, 622914, 663102, 934371, 1142009, 1209186, 1868742, 2284018, 3426027, 6852054, 10278081, 20556162]

約数ペア:

[(1, 20556162), (2, 10278081), (3, 6852054), (6, 3426027), (9, 2284018), (11, 1868742), (17, 1209186), (18, 1142009), (22, 934371), (31, 663102), (33, 622914), (34, 604593), (51, 403062), (62, 331551), (66, 311457), (93, 221034), (99, 207638), (102, 201531), (153, 134354), (186, 110517), (187, 109926), (197, 104346), (198, 103819), (279, 73678), (306, 67177), (341, 60282), (374, 54963), (394, 52173), (527, 39006), (558, 36839), (561, 36642), (591, 34782), (682, 30141), (1023, 20094), (1054, 19503), (1122, 18321), (1182, 17391), (1581, 13002), (1683, 12214), (1773, 11594), (2046, 10047), (2167, 9486), (3069, 6698), (3162, 6501), (3349, 6138), (3366, 6107), (3546, 5797), (4334, 4743)]