20638884

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:277

約数の個数: 96

約数和(自身を含む): 59270400

約数和(自身を除く): 38631516

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 97, 102, 119, 149, 194, 204, 238, 291, 298, 357, 388, 447, 476, 582, 596, 679, 714, 894, 1043, 1164, 1358, 1428, 1649, 1788, 2037, 2086, 2533, 2716, 3129, 3298, 4074, 4172, 4947, 5066, 6258, 6596, 7599, 8148, 9894, 10132, 11543, 12516, 14453, 15198, 17731, 19788, 23086, 28906, 30396, 34629, 35462, 43359, 46172, 53193, 57812, 69258, 70924, 86718, 101171, 106386, 138516, 173436, 202342, 212772, 245701, 303513, 404684, 491402, 607026, 737103, 982804, 1214052, 1474206, 1719907, 2948412, 3439814, 5159721, 6879628, 10319442, 20638884]

約数ペア:

[(1, 20638884), (2, 10319442), (3, 6879628), (4, 5159721), (6, 3439814), (7, 2948412), (12, 1719907), (14, 1474206), (17, 1214052), (21, 982804), (28, 737103), (34, 607026), (42, 491402), (51, 404684), (68, 303513), (84, 245701), (97, 212772), (102, 202342), (119, 173436), (149, 138516), (194, 106386), (204, 101171), (238, 86718), (291, 70924), (298, 69258), (357, 57812), (388, 53193), (447, 46172), (476, 43359), (582, 35462), (596, 34629), (679, 30396), (714, 28906), (894, 23086), (1043, 19788), (1164, 17731), (1358, 15198), (1428, 14453), (1649, 12516), (1788, 11543), (2037, 10132), (2086, 9894), (2533, 8148), (2716, 7599), (3129, 6596), (3298, 6258), (4074, 5066), (4172, 4947)]