20210979330

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{4889}}^1$

素因数の和:5217

約数の個数: 128

約数和(自身を含む): 55008979200

約数和(自身を除く): 34797999870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 90, 122, 135, 183, 251, 270, 305, 366, 502, 549, 610, 753, 915, 1098, 1255, 1506, 1647, 1830, 2259, 2510, 2745, 3294, 3765, 4518, 4889, 5490, 6777, 7530, 8235, 9778, 11295, 13554, 14667, 15311, 16470, 22590, 24445, 29334, 30622, 33885, 44001, 45933, 48890, 67770, 73335, 76555, 88002, 91866, 132003, 137799, 146670, 153110, 220005, 229665, 264006, 275598, 298229, 413397, 440010, 459330, 596458, 660015, 688995, 826794, 894687, 1227139, 1320030, 1377990, 1491145, 1789374, 2066985, 2454278, 2684061, 2982290, 3681417, 4133970, 4473435, 5368122, 6135695, 7362834, 8052183, 8946870, 11044251, 12271390, 13420305, 16104366, 18407085, 22088502, 26840610, 33132753, 36814170, 40260915, 55221255, 66265506, 74855479, 80521830, 110442510, 149710958, 165663765, 224566437, 331327530, 374277395, 449132874, 673699311, 748554790, 1122832185, 1347398622, 2021097933, 2245664370, 3368496555, 4042195866, 6736993110, 10105489665, 20210979330]

約数ペア:

[(1, 20210979330), (2, 10105489665), (3, 6736993110), (5, 4042195866), (6, 3368496555), (9, 2245664370), (10, 2021097933), (15, 1347398622), (18, 1122832185), (27, 748554790), (30, 673699311), (45, 449132874), (54, 374277395), (61, 331327530), (90, 224566437), (122, 165663765), (135, 149710958), (183, 110442510), (251, 80521830), (270, 74855479), (305, 66265506), (366, 55221255), (502, 40260915), (549, 36814170), (610, 33132753), (753, 26840610), (915, 22088502), (1098, 18407085), (1255, 16104366), (1506, 13420305), (1647, 12271390), (1830, 11044251), (2259, 8946870), (2510, 8052183), (2745, 7362834), (3294, 6135695), (3765, 5368122), (4518, 4473435), (4889, 4133970), (5490, 3681417), (6777, 2982290), (7530, 2684061), (8235, 2454278), (9778, 2066985), (11295, 1789374), (13554, 1491145), (14667, 1377990), (15311, 1320030), (16470, 1227139), (22590, 894687), (24445, 826794), (29334, 688995), (30622, 660015), (33885, 596458), (44001, 459330), (45933, 440010), (48890, 413397), (67770, 298229), (73335, 275598), (76555, 264006), (88002, 229665), (91866, 220005), (132003, 153110), (137799, 146670)]