20176730990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{6427}}^1$

素因数の和:6538

約数の個数: 128

約数和(自身を含む): 43541729280

約数和(自身を除く): 23364998290

約数列:

[1, 2, 5, 10, 13, 19, 26, 31, 38, 41, 62, 65, 82, 95, 130, 155, 190, 205, 247, 310, 403, 410, 494, 533, 589, 779, 806, 1066, 1178, 1235, 1271, 1558, 2015, 2470, 2542, 2665, 2945, 3895, 4030, 5330, 5890, 6355, 6427, 7657, 7790, 10127, 12710, 12854, 15314, 16523, 20254, 24149, 32135, 33046, 38285, 48298, 50635, 64270, 76570, 82615, 83551, 101270, 120745, 122113, 165230, 167102, 199237, 241490, 244226, 263507, 313937, 398474, 417755, 527014, 610565, 627874, 835510, 996185, 1221130, 1317535, 1569685, 1587469, 1992370, 2590081, 2635070, 3139370, 3174938, 3425591, 3785503, 5006633, 5180162, 6851182, 7571006, 7937345, 8168717, 10013266, 12950405, 15874690, 16337434, 17127955, 18927515, 25033165, 25900810, 34255910, 37855030, 40843585, 49211539, 50066330, 65086229, 81687170, 98423078, 106193321, 130172458, 155205623, 212386642, 246057695, 310411246, 325431145, 492115390, 530966605, 650862290, 776028115, 1061933210, 1552056230, 2017673099, 4035346198, 10088365495, 20176730990]

約数ペア:

[(1, 20176730990), (2, 10088365495), (5, 4035346198), (10, 2017673099), (13, 1552056230), (19, 1061933210), (26, 776028115), (31, 650862290), (38, 530966605), (41, 492115390), (62, 325431145), (65, 310411246), (82, 246057695), (95, 212386642), (130, 155205623), (155, 130172458), (190, 106193321), (205, 98423078), (247, 81687170), (310, 65086229), (403, 50066330), (410, 49211539), (494, 40843585), (533, 37855030), (589, 34255910), (779, 25900810), (806, 25033165), (1066, 18927515), (1178, 17127955), (1235, 16337434), (1271, 15874690), (1558, 12950405), (2015, 10013266), (2470, 8168717), (2542, 7937345), (2665, 7571006), (2945, 6851182), (3895, 5180162), (4030, 5006633), (5330, 3785503), (5890, 3425591), (6355, 3174938), (6427, 3139370), (7657, 2635070), (7790, 2590081), (10127, 1992370), (12710, 1587469), (12854, 1569685), (15314, 1317535), (16523, 1221130), (20254, 996185), (24149, 835510), (32135, 627874), (33046, 610565), (38285, 527014), (48298, 417755), (50635, 398474), (64270, 313937), (76570, 263507), (82615, 244226), (83551, 241490), (101270, 199237), (120745, 167102), (122113, 165230)]