20143072

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:343

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 21225248

約数列:

[1, 2, 4, 8, 16, 32, 47, 59, 94, 118, 188, 227, 236, 376, 454, 472, 752, 908, 944, 1504, 1816, 1888, 2773, 3632, 5546, 7264, 10669, 11092, 13393, 21338, 22184, 26786, 42676, 44368, 53572, 85352, 88736, 107144, 170704, 214288, 341408, 428576, 629471, 1258942, 2517884, 5035768, 10071536, 20143072]

約数ペア:

[(1, 20143072), (2, 10071536), (4, 5035768), (8, 2517884), (16, 1258942), (32, 629471), (47, 428576), (59, 341408), (94, 214288), (118, 170704), (188, 107144), (227, 88736), (236, 85352), (376, 53572), (454, 44368), (472, 42676), (752, 26786), (908, 22184), (944, 21338), (1504, 13393), (1816, 11092), (1888, 10669), (2773, 7264), (3632, 5546)]