20361618

素因数分解:

$2^1\times 3^4\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:173

約数の個数: 80

約数和(自身を含む): 48554880

約数和(自身を除く): 28193262

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 43, 54, 74, 79, 81, 86, 111, 129, 158, 162, 222, 237, 258, 333, 387, 474, 666, 711, 774, 999, 1161, 1422, 1591, 1998, 2133, 2322, 2923, 2997, 3182, 3397, 3483, 4266, 4773, 5846, 5994, 6399, 6794, 6966, 8769, 9546, 10191, 12798, 14319, 17538, 20382, 26307, 28638, 30573, 42957, 52614, 61146, 78921, 85914, 91719, 125689, 128871, 157842, 183438, 236763, 251378, 257742, 275157, 377067, 473526, 550314, 754134, 1131201, 2262402, 3393603, 6787206, 10180809, 20361618]

約数ペア:

[(1, 20361618), (2, 10180809), (3, 6787206), (6, 3393603), (9, 2262402), (18, 1131201), (27, 754134), (37, 550314), (43, 473526), (54, 377067), (74, 275157), (79, 257742), (81, 251378), (86, 236763), (111, 183438), (129, 157842), (158, 128871), (162, 125689), (222, 91719), (237, 85914), (258, 78921), (333, 61146), (387, 52614), (474, 42957), (666, 30573), (711, 28638), (774, 26307), (999, 20382), (1161, 17538), (1422, 14319), (1591, 12798), (1998, 10191), (2133, 9546), (2322, 8769), (2923, 6966), (2997, 6794), (3182, 6399), (3397, 5994), (3483, 5846), (4266, 4773)]