20163741680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{34019}}^1$

素因数の和:34302

約数の個数: 80

約数和(自身を含む): 48596889600

約数和(自身を除く): 28433147920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 239, 248, 310, 478, 496, 620, 956, 1195, 1240, 1912, 2390, 2480, 3824, 4780, 7409, 9560, 14818, 19120, 29636, 34019, 37045, 59272, 68038, 74090, 118544, 136076, 148180, 170095, 272152, 296360, 340190, 544304, 592720, 680380, 1054589, 1360760, 2109178, 2721520, 4218356, 5272945, 8130541, 8436712, 10545890, 16261082, 16873424, 21091780, 32522164, 40652705, 42183560, 65044328, 81305410, 84367120, 130088656, 162610820, 252046771, 325221640, 504093542, 650443280, 1008187084, 1260233855, 2016374168, 2520467710, 4032748336, 5040935420, 10081870840, 20163741680]

約数ペア:

[(1, 20163741680), (2, 10081870840), (4, 5040935420), (5, 4032748336), (8, 2520467710), (10, 2016374168), (16, 1260233855), (20, 1008187084), (31, 650443280), (40, 504093542), (62, 325221640), (80, 252046771), (124, 162610820), (155, 130088656), (239, 84367120), (248, 81305410), (310, 65044328), (478, 42183560), (496, 40652705), (620, 32522164), (956, 21091780), (1195, 16873424), (1240, 16261082), (1912, 10545890), (2390, 8436712), (2480, 8130541), (3824, 5272945), (4780, 4218356), (7409, 2721520), (9560, 2109178), (14818, 1360760), (19120, 1054589), (29636, 680380), (34019, 592720), (37045, 544304), (59272, 340190), (68038, 296360), (74090, 272152), (118544, 170095), (136076, 148180)]