20644373368

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{31189}}^1$

素因数の和:31400

約数の個数: 64

約数和(自身を含む): 42578092800

約数和(自身を除く): 21933719432

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 157, 248, 314, 527, 628, 1054, 1256, 2108, 2669, 4216, 4867, 5338, 9734, 10676, 19468, 21352, 31189, 38936, 62378, 82739, 124756, 165478, 249512, 330956, 530213, 661912, 966859, 1060426, 1933718, 2120852, 3867436, 4241704, 4896673, 7734872, 9793346, 16436603, 19586692, 32873206, 39173384, 65746412, 83243441, 131492824, 151796863, 166486882, 303593726, 332973764, 607187452, 665947528, 1214374904, 2580546671, 5161093342, 10322186684, 20644373368]

約数ペア:

[(1, 20644373368), (2, 10322186684), (4, 5161093342), (8, 2580546671), (17, 1214374904), (31, 665947528), (34, 607187452), (62, 332973764), (68, 303593726), (124, 166486882), (136, 151796863), (157, 131492824), (248, 83243441), (314, 65746412), (527, 39173384), (628, 32873206), (1054, 19586692), (1256, 16436603), (2108, 9793346), (2669, 7734872), (4216, 4896673), (4867, 4241704), (5338, 3867436), (9734, 2120852), (10676, 1933718), (19468, 1060426), (21352, 966859), (31189, 661912), (38936, 530213), (62378, 330956), (82739, 249512), (124756, 165478)]