20144897152

素因数分解:

$2^7\times {\mathrm{31}}^2\times {\mathrm{389}}^1\times {\mathrm{421}}^1$

素因数の和:886

約数の個数: 96

約数和(自身を含む): 41674124700

約数和(自身を除く): 21529227548

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 389, 421, 496, 778, 842, 961, 992, 1556, 1684, 1922, 1984, 3112, 3368, 3844, 3968, 6224, 6736, 7688, 12059, 12448, 13051, 13472, 15376, 24118, 24896, 26102, 26944, 30752, 48236, 49792, 52204, 53888, 61504, 96472, 104408, 123008, 163769, 192944, 208816, 327538, 373829, 385888, 404581, 417632, 655076, 747658, 771776, 809162, 835264, 1310152, 1495316, 1543552, 1618324, 1670528, 2620304, 2990632, 3236648, 5076839, 5240608, 5981264, 6473296, 10153678, 10481216, 11962528, 12946592, 20307356, 20962432, 23925056, 25893184, 40614712, 47850112, 51786368, 81229424, 157382009, 162458848, 314764018, 324917696, 629528036, 649835392, 1259056072, 2518112144, 5036224288, 10072448576, 20144897152]

約数ペア:

[(1, 20144897152), (2, 10072448576), (4, 5036224288), (8, 2518112144), (16, 1259056072), (31, 649835392), (32, 629528036), (62, 324917696), (64, 314764018), (124, 162458848), (128, 157382009), (248, 81229424), (389, 51786368), (421, 47850112), (496, 40614712), (778, 25893184), (842, 23925056), (961, 20962432), (992, 20307356), (1556, 12946592), (1684, 11962528), (1922, 10481216), (1984, 10153678), (3112, 6473296), (3368, 5981264), (3844, 5240608), (3968, 5076839), (6224, 3236648), (6736, 2990632), (7688, 2620304), (12059, 1670528), (12448, 1618324), (13051, 1543552), (13472, 1495316), (15376, 1310152), (24118, 835264), (24896, 809162), (26102, 771776), (26944, 747658), (30752, 655076), (48236, 417632), (49792, 404581), (52204, 385888), (53888, 373829), (61504, 327538), (96472, 208816), (104408, 192944), (123008, 163769)]