20588220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4973}}^1$

素因数の和:5011

約数の個数: 72

約数和(自身を含む): 65179296

約数和(自身を除く): 44591076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 4973, 9946, 14919, 19892, 24865, 29838, 44757, 49730, 59676, 74595, 89514, 99460, 114379, 149190, 179028, 223785, 228758, 298380, 343137, 447570, 457516, 571895, 686274, 895140, 1029411, 1143790, 1372548, 1715685, 2058822, 2287580, 3431370, 4117644, 5147055, 6862740, 10294110, 20588220]

約数ペア:

[(1, 20588220), (2, 10294110), (3, 6862740), (4, 5147055), (5, 4117644), (6, 3431370), (9, 2287580), (10, 2058822), (12, 1715685), (15, 1372548), (18, 1143790), (20, 1029411), (23, 895140), (30, 686274), (36, 571895), (45, 457516), (46, 447570), (60, 343137), (69, 298380), (90, 228758), (92, 223785), (115, 179028), (138, 149190), (180, 114379), (207, 99460), (230, 89514), (276, 74595), (345, 59676), (414, 49730), (460, 44757), (690, 29838), (828, 24865), (1035, 19892), (1380, 14919), (2070, 9946), (4140, 4973)]