20787776152

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{100393}}^1$

素因数の和:100604

約数の個数: 64

約数和(自身を含む): 46044704160

約数和(自身を除く): 25256928008

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 181, 286, 362, 572, 724, 1144, 1448, 1991, 2353, 3982, 4706, 7964, 9412, 15928, 18824, 25883, 51766, 100393, 103532, 200786, 207064, 401572, 803144, 1104323, 1305109, 2208646, 2610218, 4417292, 5220436, 8834584, 10440872, 14356199, 18171133, 28712398, 36342266, 57424796, 72684532, 114849592, 145369064, 199882463, 236224729, 399764926, 472449458, 799529852, 944898916, 1599059704, 1889797832, 2598472019, 5196944038, 10393888076, 20787776152]

約数ペア:

[(1, 20787776152), (2, 10393888076), (4, 5196944038), (8, 2598472019), (11, 1889797832), (13, 1599059704), (22, 944898916), (26, 799529852), (44, 472449458), (52, 399764926), (88, 236224729), (104, 199882463), (143, 145369064), (181, 114849592), (286, 72684532), (362, 57424796), (572, 36342266), (724, 28712398), (1144, 18171133), (1448, 14356199), (1991, 10440872), (2353, 8834584), (3982, 5220436), (4706, 4417292), (7964, 2610218), (9412, 2208646), (15928, 1305109), (18824, 1104323), (25883, 803144), (51766, 401572), (100393, 207064), (103532, 200786)]