20015552208

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{631}}^1\times {\mathrm{38873}}^1$

素因数の和:39532

約数の個数: 80

約数和(自身を含む): 54836597376

約数和(自身を除く): 34821045168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 631, 816, 1262, 1893, 2524, 3786, 5048, 7572, 10096, 10727, 15144, 21454, 30288, 32181, 38873, 42908, 64362, 77746, 85816, 116619, 128724, 155492, 171632, 233238, 257448, 310984, 466476, 514896, 621968, 660841, 932952, 1321682, 1865904, 1982523, 2643364, 3965046, 5286728, 7930092, 10573456, 15860184, 24528863, 31720368, 49057726, 73586589, 98115452, 147173178, 196230904, 294346356, 392461808, 416990671, 588692712, 833981342, 1177385424, 1250972013, 1667962684, 2501944026, 3335925368, 5003888052, 6671850736, 10007776104, 20015552208]

約数ペア:

[(1, 20015552208), (2, 10007776104), (3, 6671850736), (4, 5003888052), (6, 3335925368), (8, 2501944026), (12, 1667962684), (16, 1250972013), (17, 1177385424), (24, 833981342), (34, 588692712), (48, 416990671), (51, 392461808), (68, 294346356), (102, 196230904), (136, 147173178), (204, 98115452), (272, 73586589), (408, 49057726), (631, 31720368), (816, 24528863), (1262, 15860184), (1893, 10573456), (2524, 7930092), (3786, 5286728), (5048, 3965046), (7572, 2643364), (10096, 1982523), (10727, 1865904), (15144, 1321682), (21454, 932952), (30288, 660841), (32181, 621968), (38873, 514896), (42908, 466476), (64362, 310984), (77746, 257448), (85816, 233238), (116619, 171632), (128724, 155492)]