20163445280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{23333}}^1$

素因数の和:23850

約数の個数: 96

約数和(自身を含む): 52074767808

約数和(自身を除く): 31911322528

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 491, 880, 982, 1760, 1964, 2455, 3928, 4910, 5401, 7856, 9820, 10802, 15712, 19640, 21604, 23333, 27005, 39280, 43208, 46666, 54010, 78560, 86416, 93332, 108020, 116665, 172832, 186664, 216040, 233330, 256663, 373328, 432080, 466660, 513326, 746656, 864160, 933320, 1026652, 1283315, 1866640, 2053304, 2566630, 3733280, 4106608, 5133260, 8213216, 10266520, 11456503, 20533040, 22913006, 41066080, 45826012, 57282515, 91652024, 114565030, 126021533, 183304048, 229130060, 252043066, 366608096, 458260120, 504086132, 630107665, 916520240, 1008172264, 1260215330, 1833040480, 2016344528, 2520430660, 4032689056, 5040861320, 10081722640, 20163445280]

約数ペア:

[(1, 20163445280), (2, 10081722640), (4, 5040861320), (5, 4032689056), (8, 2520430660), (10, 2016344528), (11, 1833040480), (16, 1260215330), (20, 1008172264), (22, 916520240), (32, 630107665), (40, 504086132), (44, 458260120), (55, 366608096), (80, 252043066), (88, 229130060), (110, 183304048), (160, 126021533), (176, 114565030), (220, 91652024), (352, 57282515), (440, 45826012), (491, 41066080), (880, 22913006), (982, 20533040), (1760, 11456503), (1964, 10266520), (2455, 8213216), (3928, 5133260), (4910, 4106608), (5401, 3733280), (7856, 2566630), (9820, 2053304), (10802, 1866640), (15712, 1283315), (19640, 1026652), (21604, 933320), (23333, 864160), (27005, 746656), (39280, 513326), (43208, 466660), (46666, 432080), (54010, 373328), (78560, 256663), (86416, 233330), (93332, 216040), (108020, 186664), (116665, 172832)]