20065760

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{877}}^1$

素因数の和:916

約数の個数: 96

約数和(自身を含む): 55756512

約数和(自身を除く): 35690752

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 160, 176, 208, 220, 260, 286, 352, 416, 440, 520, 572, 715, 877, 880, 1040, 1144, 1430, 1754, 1760, 2080, 2288, 2860, 3508, 4385, 4576, 5720, 7016, 8770, 9647, 11401, 11440, 14032, 17540, 19294, 22802, 22880, 28064, 35080, 38588, 45604, 48235, 57005, 70160, 77176, 91208, 96470, 114010, 125411, 140320, 154352, 182416, 192940, 228020, 250822, 308704, 364832, 385880, 456040, 501644, 627055, 771760, 912080, 1003288, 1254110, 1543520, 1824160, 2006576, 2508220, 4013152, 5016440, 10032880, 20065760]

約数ペア:

[(1, 20065760), (2, 10032880), (4, 5016440), (5, 4013152), (8, 2508220), (10, 2006576), (11, 1824160), (13, 1543520), (16, 1254110), (20, 1003288), (22, 912080), (26, 771760), (32, 627055), (40, 501644), (44, 456040), (52, 385880), (55, 364832), (65, 308704), (80, 250822), (88, 228020), (104, 192940), (110, 182416), (130, 154352), (143, 140320), (160, 125411), (176, 114010), (208, 96470), (220, 91208), (260, 77176), (286, 70160), (352, 57005), (416, 48235), (440, 45604), (520, 38588), (572, 35080), (715, 28064), (877, 22880), (880, 22802), (1040, 19294), (1144, 17540), (1430, 14032), (1754, 11440), (1760, 11401), (2080, 9647), (2288, 8770), (2860, 7016), (3508, 5720), (4385, 4576)]