20123085064

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{151}}^1\times {\mathrm{419}}^1\times {\mathrm{479}}^1$

素因数の和:1138

約数の個数: 64

約数和(自身を含む): 38610432000

約数和(自身を除く): 18487346936

約数列:

[1, 2, 4, 8, 83, 151, 166, 302, 332, 419, 479, 604, 664, 838, 958, 1208, 1676, 1916, 3352, 3832, 12533, 25066, 34777, 39757, 50132, 63269, 69554, 72329, 79514, 100264, 126538, 139108, 144658, 159028, 200701, 253076, 278216, 289316, 318056, 401402, 506152, 578632, 802804, 1605608, 5251327, 6003307, 10502654, 12006614, 16658183, 21005308, 24013228, 30305851, 33316366, 42010616, 48026456, 60611702, 66632732, 121223404, 133265464, 242446808, 2515385633, 5030771266, 10061542532, 20123085064]

約数ペア:

[(1, 20123085064), (2, 10061542532), (4, 5030771266), (8, 2515385633), (83, 242446808), (151, 133265464), (166, 121223404), (302, 66632732), (332, 60611702), (419, 48026456), (479, 42010616), (604, 33316366), (664, 30305851), (838, 24013228), (958, 21005308), (1208, 16658183), (1676, 12006614), (1916, 10502654), (3352, 6003307), (3832, 5251327), (12533, 1605608), (25066, 802804), (34777, 578632), (39757, 506152), (50132, 401402), (63269, 318056), (69554, 289316), (72329, 278216), (79514, 253076), (100264, 200701), (126538, 159028), (139108, 144658)]