20210148

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:116

約数の個数: 180

約数和(自身を含む): 65659440

約数和(自身を除く): 45449292

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 49, 54, 57, 63, 67, 76, 81, 84, 98, 108, 114, 126, 133, 134, 147, 162, 171, 189, 196, 201, 228, 252, 266, 268, 294, 324, 342, 378, 399, 402, 441, 469, 513, 532, 567, 588, 603, 684, 756, 798, 804, 882, 931, 938, 1026, 1134, 1197, 1206, 1273, 1323, 1407, 1539, 1596, 1764, 1809, 1862, 1876, 2052, 2268, 2394, 2412, 2546, 2646, 2793, 2814, 3078, 3283, 3591, 3618, 3724, 3819, 3969, 4221, 4788, 5092, 5292, 5427, 5586, 5628, 6156, 6566, 7182, 7236, 7638, 7938, 8379, 8442, 8911, 9849, 10773, 10854, 11172, 11457, 12663, 13132, 14364, 15276, 15876, 16758, 16884, 17822, 19698, 21546, 21708, 22914, 25137, 25326, 26733, 29547, 33516, 34371, 35644, 37989, 39396, 43092, 45828, 50274, 50652, 53466, 59094, 62377, 68742, 75411, 75978, 80199, 88641, 100548, 103113, 106932, 118188, 124754, 137484, 150822, 151956, 160398, 177282, 187131, 206226, 240597, 249508, 265923, 301644, 320796, 354564, 374262, 412452, 481194, 531846, 561393, 721791, 748524, 962388, 1063692, 1122786, 1443582, 1684179, 2245572, 2887164, 3368358, 5052537, 6736716, 10105074, 20210148]

約数ペア:

[(1, 20210148), (2, 10105074), (3, 6736716), (4, 5052537), (6, 3368358), (7, 2887164), (9, 2245572), (12, 1684179), (14, 1443582), (18, 1122786), (19, 1063692), (21, 962388), (27, 748524), (28, 721791), (36, 561393), (38, 531846), (42, 481194), (49, 412452), (54, 374262), (57, 354564), (63, 320796), (67, 301644), (76, 265923), (81, 249508), (84, 240597), (98, 206226), (108, 187131), (114, 177282), (126, 160398), (133, 151956), (134, 150822), (147, 137484), (162, 124754), (171, 118188), (189, 106932), (196, 103113), (201, 100548), (228, 88641), (252, 80199), (266, 75978), (268, 75411), (294, 68742), (324, 62377), (342, 59094), (378, 53466), (399, 50652), (402, 50274), (441, 45828), (469, 43092), (513, 39396), (532, 37989), (567, 35644), (588, 34371), (603, 33516), (684, 29547), (756, 26733), (798, 25326), (804, 25137), (882, 22914), (931, 21708), (938, 21546), (1026, 19698), (1134, 17822), (1197, 16884), (1206, 16758), (1273, 15876), (1323, 15276), (1407, 14364), (1539, 13132), (1596, 12663), (1764, 11457), (1809, 11172), (1862, 10854), (1876, 10773), (2052, 9849), (2268, 8911), (2394, 8442), (2412, 8379), (2546, 7938), (2646, 7638), (2793, 7236), (2814, 7182), (3078, 6566), (3283, 6156), (3591, 5628), (3618, 5586), (3724, 5427), (3819, 5292), (3969, 5092), (4221, 4788)]