20178097630

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:458

約数の個数: 128

約数和(自身を含む): 39575692800

約数和(自身を除く): 19397595170

約数列:

[1, 2, 5, 10, 29, 37, 58, 74, 83, 139, 145, 163, 166, 185, 278, 290, 326, 370, 415, 695, 815, 830, 1073, 1390, 1630, 2146, 2407, 3071, 4031, 4727, 4814, 5143, 5365, 6031, 6142, 8062, 9454, 10286, 10730, 11537, 12035, 12062, 13529, 15355, 20155, 22657, 23074, 23635, 24070, 25715, 27058, 30155, 30710, 40310, 45314, 47270, 51430, 57685, 60310, 67645, 89059, 113285, 115370, 135290, 149147, 174899, 178118, 226570, 298294, 334573, 349798, 392341, 426869, 445295, 500573, 657053, 669146, 745735, 784682, 838309, 853738, 874495, 890590, 1001146, 1314106, 1491470, 1672865, 1676618, 1748990, 1880531, 1961705, 2134345, 2502865, 3285265, 3345730, 3761062, 3923410, 4191545, 4268690, 5005730, 6570530, 8383090, 9402655, 12379201, 14516617, 18805310, 24310961, 24758402, 29033234, 48621922, 54535399, 61896005, 69579647, 72583085, 109070798, 121554805, 123792010, 139159294, 145166170, 243109610, 272676995, 347898235, 545353990, 695796470, 2017809763, 4035619526, 10089048815, 20178097630]

約数ペア:

[(1, 20178097630), (2, 10089048815), (5, 4035619526), (10, 2017809763), (29, 695796470), (37, 545353990), (58, 347898235), (74, 272676995), (83, 243109610), (139, 145166170), (145, 139159294), (163, 123792010), (166, 121554805), (185, 109070798), (278, 72583085), (290, 69579647), (326, 61896005), (370, 54535399), (415, 48621922), (695, 29033234), (815, 24758402), (830, 24310961), (1073, 18805310), (1390, 14516617), (1630, 12379201), (2146, 9402655), (2407, 8383090), (3071, 6570530), (4031, 5005730), (4727, 4268690), (4814, 4191545), (5143, 3923410), (5365, 3761062), (6031, 3345730), (6142, 3285265), (8062, 2502865), (9454, 2134345), (10286, 1961705), (10730, 1880531), (11537, 1748990), (12035, 1676618), (12062, 1672865), (13529, 1491470), (15355, 1314106), (20155, 1001146), (22657, 890590), (23074, 874495), (23635, 853738), (24070, 838309), (25715, 784682), (27058, 745735), (30155, 669146), (30710, 657053), (40310, 500573), (45314, 445295), (47270, 426869), (51430, 392341), (57685, 349798), (60310, 334573), (67645, 298294), (89059, 226570), (113285, 178118), (115370, 174899), (135290, 149147)]