20188316

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 39497472

約数和(自身を除く): 19309156

約数列:

[1, 2, 4, 17, 31, 34, 61, 62, 68, 122, 124, 157, 244, 314, 527, 628, 1037, 1054, 1891, 2074, 2108, 2669, 3782, 4148, 4867, 5338, 7564, 9577, 9734, 10676, 19154, 19468, 32147, 38308, 64294, 82739, 128588, 162809, 165478, 296887, 325618, 330956, 593774, 651236, 1187548, 5047079, 10094158, 20188316]

約数ペア:

[(1, 20188316), (2, 10094158), (4, 5047079), (17, 1187548), (31, 651236), (34, 593774), (61, 330956), (62, 325618), (68, 296887), (122, 165478), (124, 162809), (157, 128588), (244, 82739), (314, 64294), (527, 38308), (628, 32147), (1037, 19468), (1054, 19154), (1891, 10676), (2074, 9734), (2108, 9577), (2669, 7564), (3782, 5338), (4148, 4867)]