20211008

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:271

約数の個数: 56

約数和(自身を含む): 42330624

約数和(自身を除く): 22119616

約数列:

[1, 2, 4, 8, 16, 31, 32, 61, 62, 64, 122, 124, 167, 244, 248, 334, 488, 496, 668, 976, 992, 1336, 1891, 1952, 1984, 2672, 3782, 3904, 5177, 5344, 7564, 10187, 10354, 10688, 15128, 20374, 20708, 30256, 40748, 41416, 60512, 81496, 82832, 121024, 162992, 165664, 315797, 325984, 331328, 631594, 651968, 1263188, 2526376, 5052752, 10105504, 20211008]

約数ペア:

[(1, 20211008), (2, 10105504), (4, 5052752), (8, 2526376), (16, 1263188), (31, 651968), (32, 631594), (61, 331328), (62, 325984), (64, 315797), (122, 165664), (124, 162992), (167, 121024), (244, 82832), (248, 81496), (334, 60512), (488, 41416), (496, 40748), (668, 30256), (976, 20708), (992, 20374), (1336, 15128), (1891, 10688), (1952, 10354), (1984, 10187), (2672, 7564), (3782, 5344), (3904, 5177)]