20440188

素因数分解:

$2^2\times 3^5\times {\mathrm{17}}^1\times {\mathrm{1237}}^1$

素因数の和:1273

約数の個数: 72

約数和(自身を含む): 56779632

約数和(自身を除く): 36339444

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 81, 102, 108, 153, 162, 204, 243, 306, 324, 459, 486, 612, 918, 972, 1237, 1377, 1836, 2474, 2754, 3711, 4131, 4948, 5508, 7422, 8262, 11133, 14844, 16524, 21029, 22266, 33399, 42058, 44532, 63087, 66798, 84116, 100197, 126174, 133596, 189261, 200394, 252348, 300591, 378522, 400788, 567783, 601182, 757044, 1135566, 1202364, 1703349, 2271132, 3406698, 5110047, 6813396, 10220094, 20440188]

約数ペア:

[(1, 20440188), (2, 10220094), (3, 6813396), (4, 5110047), (6, 3406698), (9, 2271132), (12, 1703349), (17, 1202364), (18, 1135566), (27, 757044), (34, 601182), (36, 567783), (51, 400788), (54, 378522), (68, 300591), (81, 252348), (102, 200394), (108, 189261), (153, 133596), (162, 126174), (204, 100197), (243, 84116), (306, 66798), (324, 63087), (459, 44532), (486, 42058), (612, 33399), (918, 22266), (972, 21029), (1237, 16524), (1377, 14844), (1836, 11133), (2474, 8262), (2754, 7422), (3711, 5508), (4131, 4948)]