20165512858

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1\times {\mathrm{461}}^1$

素因数の和:823

約数の個数: 64

約数和(自身を含む): 32915393280

約数和(自身を除く): 12749880422

約数列:

[1, 2, 19, 38, 61, 113, 122, 167, 226, 334, 461, 922, 1159, 2147, 2318, 3173, 4294, 6346, 6893, 8759, 10187, 13786, 17518, 18871, 20374, 28121, 37742, 52093, 56242, 76987, 104186, 130967, 153974, 193553, 261934, 358549, 387106, 534299, 717098, 989767, 1068598, 1151131, 1462753, 1979534, 2302262, 2925506, 3177673, 4696207, 6355346, 8699531, 9392414, 17399062, 21871489, 43742978, 60375787, 89227933, 120751574, 165291089, 178455866, 330582178, 530671391, 1061342782, 10082756429, 20165512858]

約数ペア:

[(1, 20165512858), (2, 10082756429), (19, 1061342782), (38, 530671391), (61, 330582178), (113, 178455866), (122, 165291089), (167, 120751574), (226, 89227933), (334, 60375787), (461, 43742978), (922, 21871489), (1159, 17399062), (2147, 9392414), (2318, 8699531), (3173, 6355346), (4294, 4696207), (6346, 3177673), (6893, 2925506), (8759, 2302262), (10187, 1979534), (13786, 1462753), (17518, 1151131), (18871, 1068598), (20374, 989767), (28121, 717098), (37742, 534299), (52093, 387106), (56242, 358549), (76987, 261934), (104186, 193553), (130967, 153974)]