20138180940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{189947}}^1$

素因数の和:190012

約数の個数: 144

約数和(自身を含む): 66375429120

約数和(自身を除く): 46237248180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 31, 36, 38, 45, 57, 60, 62, 76, 90, 93, 95, 114, 124, 155, 171, 180, 186, 190, 228, 279, 285, 310, 342, 372, 380, 465, 558, 570, 589, 620, 684, 855, 930, 1116, 1140, 1178, 1395, 1710, 1767, 1860, 2356, 2790, 2945, 3420, 3534, 5301, 5580, 5890, 7068, 8835, 10602, 11780, 17670, 21204, 26505, 35340, 53010, 106020, 189947, 379894, 569841, 759788, 949735, 1139682, 1709523, 1899470, 2279364, 2849205, 3419046, 3608993, 3798940, 5698410, 5888357, 6838092, 7217986, 8547615, 10826979, 11396820, 11776714, 14435972, 17095230, 17665071, 18044965, 21653958, 23553428, 29441785, 32480937, 34190460, 35330142, 36089930, 43307916, 52995213, 54134895, 58883570, 64961874, 70660284, 72179860, 88325355, 105990426, 108269790, 111878783, 117767140, 129923748, 162404685, 176650710, 211980852, 216539580, 223757566, 264976065, 324809370, 335636349, 353301420, 447515132, 529952130, 559393915, 649618740, 671272698, 1006909047, 1059904260, 1118787830, 1342545396, 1678181745, 2013818094, 2237575660, 3356363490, 4027636188, 5034545235, 6712726980, 10069090470, 20138180940]

約数ペア:

[(1, 20138180940), (2, 10069090470), (3, 6712726980), (4, 5034545235), (5, 4027636188), (6, 3356363490), (9, 2237575660), (10, 2013818094), (12, 1678181745), (15, 1342545396), (18, 1118787830), (19, 1059904260), (20, 1006909047), (30, 671272698), (31, 649618740), (36, 559393915), (38, 529952130), (45, 447515132), (57, 353301420), (60, 335636349), (62, 324809370), (76, 264976065), (90, 223757566), (93, 216539580), (95, 211980852), (114, 176650710), (124, 162404685), (155, 129923748), (171, 117767140), (180, 111878783), (186, 108269790), (190, 105990426), (228, 88325355), (279, 72179860), (285, 70660284), (310, 64961874), (342, 58883570), (372, 54134895), (380, 52995213), (465, 43307916), (558, 36089930), (570, 35330142), (589, 34190460), (620, 32480937), (684, 29441785), (855, 23553428), (930, 21653958), (1116, 18044965), (1140, 17665071), (1178, 17095230), (1395, 14435972), (1710, 11776714), (1767, 11396820), (1860, 10826979), (2356, 8547615), (2790, 7217986), (2945, 6838092), (3420, 5888357), (3534, 5698410), (5301, 3798940), (5580, 3608993), (5890, 3419046), (7068, 2849205), (8835, 2279364), (10602, 1899470), (11780, 1709523), (17670, 1139682), (21204, 949735), (26505, 759788), (35340, 569841), (53010, 379894), (106020, 189947)]