20611706560

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1093}}^1\times {\mathrm{1901}}^1$

素因数の和:3042

約数の個数: 112

約数和(自身を含む): 50737934592

約数和(自身を除く): 30126228032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1093, 1240, 1901, 1984, 2186, 2480, 3802, 4372, 4960, 5465, 7604, 8744, 9505, 9920, 10930, 15208, 17488, 19010, 21860, 30416, 33883, 34976, 38020, 43720, 58931, 60832, 67766, 69952, 76040, 87440, 117862, 121664, 135532, 152080, 169415, 174880, 235724, 271064, 294655, 304160, 338830, 349760, 471448, 542128, 589310, 608320, 677660, 942896, 1084256, 1178620, 1355320, 1885792, 2077793, 2168512, 2357240, 2710640, 3771584, 4155586, 4714480, 5421280, 8311172, 9428960, 10388965, 10842560, 16622344, 18857920, 20777930, 33244688, 41555860, 64411583, 66489376, 83111720, 128823166, 132978752, 166223440, 257646332, 322057915, 332446880, 515292664, 644115830, 664893760, 1030585328, 1288231660, 2061170656, 2576463320, 4122341312, 5152926640, 10305853280, 20611706560]

約数ペア:

[(1, 20611706560), (2, 10305853280), (4, 5152926640), (5, 4122341312), (8, 2576463320), (10, 2061170656), (16, 1288231660), (20, 1030585328), (31, 664893760), (32, 644115830), (40, 515292664), (62, 332446880), (64, 322057915), (80, 257646332), (124, 166223440), (155, 132978752), (160, 128823166), (248, 83111720), (310, 66489376), (320, 64411583), (496, 41555860), (620, 33244688), (992, 20777930), (1093, 18857920), (1240, 16622344), (1901, 10842560), (1984, 10388965), (2186, 9428960), (2480, 8311172), (3802, 5421280), (4372, 4714480), (4960, 4155586), (5465, 3771584), (7604, 2710640), (8744, 2357240), (9505, 2168512), (9920, 2077793), (10930, 1885792), (15208, 1355320), (17488, 1178620), (19010, 1084256), (21860, 942896), (30416, 677660), (33883, 608320), (34976, 589310), (38020, 542128), (43720, 471448), (58931, 349760), (60832, 338830), (67766, 304160), (69952, 294655), (76040, 271064), (87440, 235724), (117862, 174880), (121664, 169415), (135532, 152080)]