20178334208

素因数分解:

$2^9\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:370

約数の個数: 160

約数和(自身を含む): 42668102400

約数和(自身を除く): 22489768192

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 79, 97, 128, 139, 148, 158, 194, 256, 278, 296, 316, 388, 512, 556, 592, 632, 776, 1112, 1184, 1264, 1552, 2224, 2368, 2528, 2923, 3104, 3589, 4448, 4736, 5056, 5143, 5846, 6208, 7178, 7663, 8896, 9472, 10112, 10286, 10981, 11692, 12416, 13483, 14356, 15326, 17792, 18944, 20224, 20572, 21962, 23384, 24832, 26966, 28712, 30652, 35584, 40448, 41144, 43924, 46768, 49664, 53932, 57424, 61304, 71168, 82288, 87848, 93536, 107864, 114848, 122608, 164576, 175696, 187072, 215728, 229696, 245216, 283531, 329152, 351392, 374144, 406297, 431456, 459392, 490432, 498871, 567062, 658304, 702784, 748288, 812594, 862912, 918784, 980864, 997742, 1065157, 1134124, 1316608, 1405568, 1496576, 1625188, 1725824, 1837568, 1961728, 1995484, 2130314, 2268248, 2633216, 2811136, 3250376, 3451648, 3923456, 3990968, 4260628, 4536496, 5622272, 6500752, 6903296, 7981936, 8521256, 9072992, 13001504, 15963872, 17042512, 18145984, 26003008, 31927744, 34085024, 36291968, 39410809, 52006016, 63855488, 68170048, 72583936, 78821618, 104012032, 127710976, 136340096, 145167872, 157643236, 208024064, 255421952, 272680192, 315286472, 545360384, 630572944, 1261145888, 2522291776, 5044583552, 10089167104, 20178334208]

約数ペア:

[(1, 20178334208), (2, 10089167104), (4, 5044583552), (8, 2522291776), (16, 1261145888), (32, 630572944), (37, 545360384), (64, 315286472), (74, 272680192), (79, 255421952), (97, 208024064), (128, 157643236), (139, 145167872), (148, 136340096), (158, 127710976), (194, 104012032), (256, 78821618), (278, 72583936), (296, 68170048), (316, 63855488), (388, 52006016), (512, 39410809), (556, 36291968), (592, 34085024), (632, 31927744), (776, 26003008), (1112, 18145984), (1184, 17042512), (1264, 15963872), (1552, 13001504), (2224, 9072992), (2368, 8521256), (2528, 7981936), (2923, 6903296), (3104, 6500752), (3589, 5622272), (4448, 4536496), (4736, 4260628), (5056, 3990968), (5143, 3923456), (5846, 3451648), (6208, 3250376), (7178, 2811136), (7663, 2633216), (8896, 2268248), (9472, 2130314), (10112, 1995484), (10286, 1961728), (10981, 1837568), (11692, 1725824), (12416, 1625188), (13483, 1496576), (14356, 1405568), (15326, 1316608), (17792, 1134124), (18944, 1065157), (20224, 997742), (20572, 980864), (21962, 918784), (23384, 862912), (24832, 812594), (26966, 748288), (28712, 702784), (30652, 658304), (35584, 567062), (40448, 498871), (41144, 490432), (43924, 459392), (46768, 431456), (49664, 406297), (53932, 374144), (57424, 351392), (61304, 329152), (71168, 283531), (82288, 245216), (87848, 229696), (93536, 215728), (107864, 187072), (114848, 175696), (122608, 164576)]