20408454612

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1697}}^1\times {\mathrm{3671}}^1$

素因数の和:5398

約数の個数: 144

約数和(自身を含む): 63547690752

約数和(自身を除く): 43139236140

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 1697, 3276, 3394, 3671, 5091, 6788, 7342, 10182, 11013, 11879, 14684, 15273, 20364, 22026, 22061, 23758, 25697, 30546, 33039, 35637, 44052, 44122, 47516, 47723, 51394, 61092, 66078, 66183, 71274, 77091, 88244, 95446, 102788, 106911, 132156, 132366, 142548, 143169, 154182, 154427, 190892, 198549, 213822, 231273, 264732, 286338, 308364, 308854, 334061, 397098, 427644, 429507, 462546, 463281, 572676, 617708, 668122, 794196, 859014, 925092, 926562, 1002183, 1336244, 1389843, 1718028, 1853124, 2004366, 2779686, 3006549, 4008732, 5559372, 6013098, 6229687, 12026196, 12459374, 18689061, 24918748, 37378122, 43607809, 56067183, 74756244, 80985931, 87215618, 112134366, 130823427, 161971862, 174431236, 224268732, 242957793, 261646854, 323943724, 392470281, 485915586, 523293708, 566901517, 728873379, 784940562, 971831172, 1133803034, 1457746758, 1569881124, 1700704551, 2267606068, 2915493516, 3401409102, 5102113653, 6802818204, 10204227306, 20408454612]

約数ペア:

[(1, 20408454612), (2, 10204227306), (3, 6802818204), (4, 5102113653), (6, 3401409102), (7, 2915493516), (9, 2267606068), (12, 1700704551), (13, 1569881124), (14, 1457746758), (18, 1133803034), (21, 971831172), (26, 784940562), (28, 728873379), (36, 566901517), (39, 523293708), (42, 485915586), (52, 392470281), (63, 323943724), (78, 261646854), (84, 242957793), (91, 224268732), (117, 174431236), (126, 161971862), (156, 130823427), (182, 112134366), (234, 87215618), (252, 80985931), (273, 74756244), (364, 56067183), (468, 43607809), (546, 37378122), (819, 24918748), (1092, 18689061), (1638, 12459374), (1697, 12026196), (3276, 6229687), (3394, 6013098), (3671, 5559372), (5091, 4008732), (6788, 3006549), (7342, 2779686), (10182, 2004366), (11013, 1853124), (11879, 1718028), (14684, 1389843), (15273, 1336244), (20364, 1002183), (22026, 926562), (22061, 925092), (23758, 859014), (25697, 794196), (30546, 668122), (33039, 617708), (35637, 572676), (44052, 463281), (44122, 462546), (47516, 429507), (47723, 427644), (51394, 397098), (61092, 334061), (66078, 308854), (66183, 308364), (71274, 286338), (77091, 264732), (88244, 231273), (95446, 213822), (102788, 198549), (106911, 190892), (132156, 154427), (132366, 154182), (142548, 143169)]