20109693800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{14947}}^1$

素因数の和:15032

約数の個数: 144

約数和(自身を含む): 55217314080

約数和(自身を除く): 35107620280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 100, 124, 140, 155, 175, 200, 217, 248, 280, 310, 350, 434, 620, 700, 775, 868, 961, 1085, 1240, 1400, 1550, 1736, 1922, 2170, 3100, 3844, 4340, 4805, 5425, 6200, 6727, 7688, 8680, 9610, 10850, 13454, 14947, 19220, 21700, 24025, 26908, 29894, 33635, 38440, 43400, 48050, 53816, 59788, 67270, 74735, 96100, 104629, 119576, 134540, 149470, 168175, 192200, 209258, 269080, 298940, 336350, 373675, 418516, 463357, 523145, 597880, 672700, 747350, 837032, 926714, 1046290, 1345400, 1494700, 1853428, 2092580, 2316785, 2615725, 2989400, 3243499, 3706856, 4185160, 4633570, 5231450, 6486998, 9267140, 10462900, 11583925, 12973996, 14364067, 16217495, 18534280, 20925800, 23167850, 25947992, 28728134, 32434990, 46335700, 57456268, 64869980, 71820335, 81087475, 92671400, 100548469, 114912536, 129739960, 143640670, 162174950, 201096938, 287281340, 324349900, 359101675, 402193876, 502742345, 574562680, 648699800, 718203350, 804387752, 1005484690, 1436406700, 2010969380, 2513711725, 2872813400, 4021938760, 5027423450, 10054846900, 20109693800]

約数ペア:

[(1, 20109693800), (2, 10054846900), (4, 5027423450), (5, 4021938760), (7, 2872813400), (8, 2513711725), (10, 2010969380), (14, 1436406700), (20, 1005484690), (25, 804387752), (28, 718203350), (31, 648699800), (35, 574562680), (40, 502742345), (50, 402193876), (56, 359101675), (62, 324349900), (70, 287281340), (100, 201096938), (124, 162174950), (140, 143640670), (155, 129739960), (175, 114912536), (200, 100548469), (217, 92671400), (248, 81087475), (280, 71820335), (310, 64869980), (350, 57456268), (434, 46335700), (620, 32434990), (700, 28728134), (775, 25947992), (868, 23167850), (961, 20925800), (1085, 18534280), (1240, 16217495), (1400, 14364067), (1550, 12973996), (1736, 11583925), (1922, 10462900), (2170, 9267140), (3100, 6486998), (3844, 5231450), (4340, 4633570), (4805, 4185160), (5425, 3706856), (6200, 3243499), (6727, 2989400), (7688, 2615725), (8680, 2316785), (9610, 2092580), (10850, 1853428), (13454, 1494700), (14947, 1345400), (19220, 1046290), (21700, 926714), (24025, 837032), (26908, 747350), (29894, 672700), (33635, 597880), (38440, 523145), (43400, 463357), (48050, 418516), (53816, 373675), (59788, 336350), (67270, 298940), (74735, 269080), (96100, 209258), (104629, 192200), (119576, 168175), (134540, 149470)]