20133520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{167}}^1$

素因数の和:328

約数の個数: 80

約数和(自身を含む): 51746688

約数和(自身を除く): 31613168

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 137, 167, 176, 220, 274, 334, 440, 548, 668, 685, 835, 880, 1096, 1336, 1370, 1507, 1670, 1837, 2192, 2672, 2740, 3014, 3340, 3674, 5480, 6028, 6680, 7348, 7535, 9185, 10960, 12056, 13360, 14696, 15070, 18370, 22879, 24112, 29392, 30140, 36740, 45758, 60280, 73480, 91516, 114395, 120560, 146960, 183032, 228790, 251669, 366064, 457580, 503338, 915160, 1006676, 1258345, 1830320, 2013352, 2516690, 4026704, 5033380, 10066760, 20133520]

約数ペア:

[(1, 20133520), (2, 10066760), (4, 5033380), (5, 4026704), (8, 2516690), (10, 2013352), (11, 1830320), (16, 1258345), (20, 1006676), (22, 915160), (40, 503338), (44, 457580), (55, 366064), (80, 251669), (88, 228790), (110, 183032), (137, 146960), (167, 120560), (176, 114395), (220, 91516), (274, 73480), (334, 60280), (440, 45758), (548, 36740), (668, 30140), (685, 29392), (835, 24112), (880, 22879), (1096, 18370), (1336, 15070), (1370, 14696), (1507, 13360), (1670, 12056), (1837, 10960), (2192, 9185), (2672, 7535), (2740, 7348), (3014, 6680), (3340, 6028), (3674, 5480)]