20991432006

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1\times {\mathrm{3049}}^1$

素因数の和:3374

約数の個数: 96

約数和(自身を含む): 48817080000

約数和(自身を除く): 27825647994

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 149, 151, 153, 298, 302, 306, 447, 453, 894, 906, 1341, 1359, 2533, 2567, 2682, 2718, 3049, 5066, 5134, 6098, 7599, 7701, 9147, 15198, 15402, 18294, 22499, 22797, 23103, 27441, 44998, 45594, 46206, 51833, 54882, 67497, 103666, 134994, 155499, 202491, 310998, 382483, 404982, 454301, 460399, 466497, 764966, 908602, 920798, 932994, 1147449, 1362903, 1381197, 2294898, 2725806, 2762394, 3442347, 4088709, 4143591, 6884694, 7723117, 7826783, 8177418, 8287182, 15446234, 15653566, 23169351, 23480349, 46338702, 46960698, 68599451, 69508053, 70441047, 137198902, 139016106, 140882094, 205798353, 411596706, 617395059, 1166190667, 1234790118, 2332381334, 3498572001, 6997144002, 10495716003, 20991432006]

約数ペア:

[(1, 20991432006), (2, 10495716003), (3, 6997144002), (6, 3498572001), (9, 2332381334), (17, 1234790118), (18, 1166190667), (34, 617395059), (51, 411596706), (102, 205798353), (149, 140882094), (151, 139016106), (153, 137198902), (298, 70441047), (302, 69508053), (306, 68599451), (447, 46960698), (453, 46338702), (894, 23480349), (906, 23169351), (1341, 15653566), (1359, 15446234), (2533, 8287182), (2567, 8177418), (2682, 7826783), (2718, 7723117), (3049, 6884694), (5066, 4143591), (5134, 4088709), (6098, 3442347), (7599, 2762394), (7701, 2725806), (9147, 2294898), (15198, 1381197), (15402, 1362903), (18294, 1147449), (22499, 932994), (22797, 920798), (23103, 908602), (27441, 764966), (44998, 466497), (45594, 460399), (46206, 454301), (51833, 404982), (54882, 382483), (67497, 310998), (103666, 202491), (134994, 155499)]