20199453580

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{1019}}^1$

素因数の和:1351

約数の個数: 96

約数和(自身を含む): 43861305600

約数和(自身を除く): 23661852020

約数列:

[1, 2, 4, 5, 10, 20, 59, 107, 118, 157, 214, 236, 295, 314, 428, 535, 590, 628, 785, 1019, 1070, 1180, 1570, 2038, 2140, 3140, 4076, 5095, 6313, 9263, 10190, 12626, 16799, 18526, 20380, 25252, 31565, 33598, 37052, 46315, 60121, 63130, 67196, 83995, 92630, 109033, 120242, 126260, 159983, 167990, 185260, 218066, 240484, 300605, 319966, 335980, 436132, 545165, 601210, 639932, 799915, 991141, 1090330, 1202420, 1599830, 1982282, 2180660, 3199660, 3964564, 4955705, 6432947, 9438997, 9911410, 12865894, 17118181, 18877994, 19822820, 25731788, 32164735, 34236362, 37755988, 47194985, 64329470, 68472724, 85590905, 94389970, 128658940, 171181810, 188779940, 342363620, 1009972679, 2019945358, 4039890716, 5049863395, 10099726790, 20199453580]

約数ペア:

[(1, 20199453580), (2, 10099726790), (4, 5049863395), (5, 4039890716), (10, 2019945358), (20, 1009972679), (59, 342363620), (107, 188779940), (118, 171181810), (157, 128658940), (214, 94389970), (236, 85590905), (295, 68472724), (314, 64329470), (428, 47194985), (535, 37755988), (590, 34236362), (628, 32164735), (785, 25731788), (1019, 19822820), (1070, 18877994), (1180, 17118181), (1570, 12865894), (2038, 9911410), (2140, 9438997), (3140, 6432947), (4076, 4955705), (5095, 3964564), (6313, 3199660), (9263, 2180660), (10190, 1982282), (12626, 1599830), (16799, 1202420), (18526, 1090330), (20380, 991141), (25252, 799915), (31565, 639932), (33598, 601210), (37052, 545165), (46315, 436132), (60121, 335980), (63130, 319966), (67196, 300605), (83995, 240484), (92630, 218066), (109033, 185260), (120242, 167990), (126260, 159983)]