20219724

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 63598080

約数和(自身を除く): 43378356

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 41, 42, 57, 63, 76, 82, 84, 103, 114, 123, 126, 133, 164, 171, 206, 228, 246, 252, 266, 287, 309, 342, 369, 399, 412, 492, 532, 574, 618, 684, 721, 738, 779, 798, 861, 927, 1148, 1197, 1236, 1442, 1476, 1558, 1596, 1722, 1854, 1957, 2163, 2337, 2394, 2583, 2884, 3116, 3444, 3708, 3914, 4223, 4326, 4674, 4788, 5166, 5453, 5871, 6489, 7011, 7828, 8446, 8652, 9348, 10332, 10906, 11742, 12669, 12978, 13699, 14022, 16359, 16892, 17613, 21812, 23484, 25338, 25956, 27398, 28044, 29561, 32718, 35226, 38007, 41097, 49077, 50676, 54796, 59122, 65436, 70452, 76014, 80237, 82194, 88683, 98154, 118244, 123291, 152028, 160474, 164388, 177366, 196308, 240711, 246582, 266049, 320948, 354732, 481422, 493164, 532098, 561659, 722133, 962844, 1064196, 1123318, 1444266, 1684977, 2246636, 2888532, 3369954, 5054931, 6739908, 10109862, 20219724]

約数ペア:

[(1, 20219724), (2, 10109862), (3, 6739908), (4, 5054931), (6, 3369954), (7, 2888532), (9, 2246636), (12, 1684977), (14, 1444266), (18, 1123318), (19, 1064196), (21, 962844), (28, 722133), (36, 561659), (38, 532098), (41, 493164), (42, 481422), (57, 354732), (63, 320948), (76, 266049), (82, 246582), (84, 240711), (103, 196308), (114, 177366), (123, 164388), (126, 160474), (133, 152028), (164, 123291), (171, 118244), (206, 98154), (228, 88683), (246, 82194), (252, 80237), (266, 76014), (287, 70452), (309, 65436), (342, 59122), (369, 54796), (399, 50676), (412, 49077), (492, 41097), (532, 38007), (574, 35226), (618, 32718), (684, 29561), (721, 28044), (738, 27398), (779, 25956), (798, 25338), (861, 23484), (927, 21812), (1148, 17613), (1197, 16892), (1236, 16359), (1442, 14022), (1476, 13699), (1558, 12978), (1596, 12669), (1722, 11742), (1854, 10906), (1957, 10332), (2163, 9348), (2337, 8652), (2394, 8446), (2583, 7828), (2884, 7011), (3116, 6489), (3444, 5871), (3708, 5453), (3914, 5166), (4223, 4788), (4326, 4674)]