20001098524

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{1571}}^1$

素因数の和:1859

約数の個数: 96

約数和(自身を含む): 40892624640

約数和(自身を除く): 20891526116

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 97, 157, 194, 209, 314, 388, 418, 628, 836, 1067, 1571, 1727, 1843, 2134, 2983, 3142, 3454, 3686, 4268, 5966, 6284, 6908, 7372, 11932, 15229, 17281, 20273, 29849, 30458, 32813, 34562, 40546, 59698, 60916, 65626, 69124, 81092, 119396, 131252, 152387, 167519, 246647, 289351, 304774, 328339, 335038, 493294, 578702, 609548, 656678, 670076, 986588, 1157404, 1313356, 1676257, 2713117, 2895353, 3182861, 3352514, 4686293, 5426234, 5790706, 6365722, 6705028, 9372586, 10852468, 11581412, 12731444, 18745172, 23924759, 31848883, 47849518, 51549223, 63697766, 95699036, 103098446, 127395532, 206196892, 263172349, 454570421, 526344698, 909140842, 1052689396, 1818281684, 5000274631, 10000549262, 20001098524]

約数ペア:

[(1, 20001098524), (2, 10000549262), (4, 5000274631), (11, 1818281684), (19, 1052689396), (22, 909140842), (38, 526344698), (44, 454570421), (76, 263172349), (97, 206196892), (157, 127395532), (194, 103098446), (209, 95699036), (314, 63697766), (388, 51549223), (418, 47849518), (628, 31848883), (836, 23924759), (1067, 18745172), (1571, 12731444), (1727, 11581412), (1843, 10852468), (2134, 9372586), (2983, 6705028), (3142, 6365722), (3454, 5790706), (3686, 5426234), (4268, 4686293), (5966, 3352514), (6284, 3182861), (6908, 2895353), (7372, 2713117), (11932, 1676257), (15229, 1313356), (17281, 1157404), (20273, 986588), (29849, 670076), (30458, 656678), (32813, 609548), (34562, 578702), (40546, 493294), (59698, 335038), (60916, 328339), (65626, 304774), (69124, 289351), (81092, 246647), (119396, 167519), (131252, 152387)]