20857914

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:276

約数の個数: 96

約数和(自身を含む): 57283200

約数和(自身を除く): 36425286

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 101, 126, 149, 154, 198, 202, 231, 298, 303, 447, 462, 606, 693, 707, 894, 909, 1043, 1111, 1341, 1386, 1414, 1639, 1818, 2086, 2121, 2222, 2682, 3129, 3278, 3333, 4242, 4917, 6258, 6363, 6666, 7777, 9387, 9834, 9999, 11473, 12726, 14751, 15049, 15554, 18774, 19998, 22946, 23331, 29502, 30098, 34419, 45147, 46662, 68838, 69993, 90294, 103257, 105343, 135441, 139986, 165539, 206514, 210686, 270882, 316029, 331078, 496617, 632058, 948087, 993234, 1158773, 1489851, 1896174, 2317546, 2979702, 3476319, 6952638, 10428957, 20857914]

約数ペア:

[(1, 20857914), (2, 10428957), (3, 6952638), (6, 3476319), (7, 2979702), (9, 2317546), (11, 1896174), (14, 1489851), (18, 1158773), (21, 993234), (22, 948087), (33, 632058), (42, 496617), (63, 331078), (66, 316029), (77, 270882), (99, 210686), (101, 206514), (126, 165539), (149, 139986), (154, 135441), (198, 105343), (202, 103257), (231, 90294), (298, 69993), (303, 68838), (447, 46662), (462, 45147), (606, 34419), (693, 30098), (707, 29502), (894, 23331), (909, 22946), (1043, 19998), (1111, 18774), (1341, 15554), (1386, 15049), (1414, 14751), (1639, 12726), (1818, 11473), (2086, 9999), (2121, 9834), (2222, 9387), (2682, 7777), (3129, 6666), (3278, 6363), (3333, 6258), (4242, 4917)]