20563416

素因数分解:

$2^3\times 3^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:166

約数の個数: 128

約数和(自身を含む): 61286400

約数和(自身を除く): 40722984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 37, 54, 62, 72, 74, 83, 93, 108, 111, 124, 148, 166, 186, 216, 222, 248, 249, 279, 296, 332, 333, 372, 444, 498, 558, 664, 666, 744, 747, 837, 888, 996, 999, 1116, 1147, 1332, 1494, 1674, 1992, 1998, 2232, 2241, 2294, 2573, 2664, 2988, 3071, 3348, 3441, 3996, 4482, 4588, 5146, 5976, 6142, 6696, 6882, 7719, 7992, 8964, 9176, 9213, 10292, 10323, 12284, 13764, 15438, 17928, 18426, 20584, 20646, 23157, 24568, 27528, 27639, 30876, 30969, 36852, 41292, 46314, 55278, 61752, 61938, 69471, 73704, 82584, 82917, 92628, 95201, 110556, 123876, 138942, 165834, 185256, 190402, 221112, 247752, 277884, 285603, 331668, 380804, 555768, 571206, 663336, 761608, 856809, 1142412, 1713618, 2284824, 2570427, 3427236, 5140854, 6854472, 10281708, 20563416]

約数ペア:

[(1, 20563416), (2, 10281708), (3, 6854472), (4, 5140854), (6, 3427236), (8, 2570427), (9, 2284824), (12, 1713618), (18, 1142412), (24, 856809), (27, 761608), (31, 663336), (36, 571206), (37, 555768), (54, 380804), (62, 331668), (72, 285603), (74, 277884), (83, 247752), (93, 221112), (108, 190402), (111, 185256), (124, 165834), (148, 138942), (166, 123876), (186, 110556), (216, 95201), (222, 92628), (248, 82917), (249, 82584), (279, 73704), (296, 69471), (332, 61938), (333, 61752), (372, 55278), (444, 46314), (498, 41292), (558, 36852), (664, 30969), (666, 30876), (744, 27639), (747, 27528), (837, 24568), (888, 23157), (996, 20646), (999, 20584), (1116, 18426), (1147, 17928), (1332, 15438), (1494, 13764), (1674, 12284), (1992, 10323), (1998, 10292), (2232, 9213), (2241, 9176), (2294, 8964), (2573, 7992), (2664, 7719), (2988, 6882), (3071, 6696), (3348, 6142), (3441, 5976), (3996, 5146), (4482, 4588)]