20565380770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{28723}}^1$

素因数の和:29047

約数の個数: 64

約数和(自身を含む): 42289081344

約数和(自身を除く): 21723700574

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 283, 506, 566, 1265, 1415, 2530, 2830, 3113, 6226, 6509, 13018, 15565, 28723, 31130, 32545, 57446, 65090, 71599, 143198, 143615, 287230, 315953, 357995, 631906, 660629, 715990, 1321258, 1579765, 3159530, 3303145, 6606290, 7266919, 8128609, 14533838, 16257218, 36334595, 40643045, 72669190, 81286090, 89414699, 178829398, 186958007, 373916014, 447073495, 894146990, 934790035, 1869580070, 2056538077, 4113076154, 10282690385, 20565380770]

約数ペア:

[(1, 20565380770), (2, 10282690385), (5, 4113076154), (10, 2056538077), (11, 1869580070), (22, 934790035), (23, 894146990), (46, 447073495), (55, 373916014), (110, 186958007), (115, 178829398), (230, 89414699), (253, 81286090), (283, 72669190), (506, 40643045), (566, 36334595), (1265, 16257218), (1415, 14533838), (2530, 8128609), (2830, 7266919), (3113, 6606290), (6226, 3303145), (6509, 3159530), (13018, 1579765), (15565, 1321258), (28723, 715990), (31130, 660629), (32545, 631906), (57446, 357995), (65090, 315953), (71599, 287230), (143198, 143615)]