20069969408

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{599}}^1\times {\mathrm{2111}}^1$

素因数の和:2759

約数の個数: 80

約数和(自身を含む): 41483059200

約数和(自身を除く): 21413089792

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 599, 992, 1198, 1984, 2111, 2396, 3968, 4222, 4792, 7936, 8444, 9584, 15872, 16888, 18569, 19168, 33776, 37138, 38336, 65441, 67552, 74276, 76672, 130882, 135104, 148552, 153344, 261764, 270208, 297104, 306688, 523528, 540416, 594208, 1047056, 1080832, 1188416, 1264489, 2094112, 2376832, 2528978, 4188224, 4753664, 5057956, 8376448, 9507328, 10115912, 16752896, 20231824, 33505792, 39199159, 40463648, 78398318, 80927296, 156796636, 161854592, 313593272, 323709184, 627186544, 647418368, 1254373088, 2508746176, 5017492352, 10034984704, 20069969408]

約数ペア:

[(1, 20069969408), (2, 10034984704), (4, 5017492352), (8, 2508746176), (16, 1254373088), (31, 647418368), (32, 627186544), (62, 323709184), (64, 313593272), (124, 161854592), (128, 156796636), (248, 80927296), (256, 78398318), (496, 40463648), (512, 39199159), (599, 33505792), (992, 20231824), (1198, 16752896), (1984, 10115912), (2111, 9507328), (2396, 8376448), (3968, 5057956), (4222, 4753664), (4792, 4188224), (7936, 2528978), (8444, 2376832), (9584, 2094112), (15872, 1264489), (16888, 1188416), (18569, 1080832), (19168, 1047056), (33776, 594208), (37138, 540416), (38336, 523528), (65441, 306688), (67552, 297104), (74276, 270208), (76672, 261764), (130882, 153344), (135104, 148552)]