20639472

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:151

約数の個数: 160

約数和(自身を含む): 66424320

約数和(自身を除く): 45784848

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 48, 53, 56, 57, 61, 76, 84, 106, 112, 114, 122, 133, 152, 159, 168, 183, 212, 228, 244, 266, 304, 318, 336, 366, 371, 399, 424, 427, 456, 488, 532, 636, 732, 742, 798, 848, 854, 912, 976, 1007, 1064, 1113, 1159, 1272, 1281, 1464, 1484, 1596, 1708, 2014, 2128, 2226, 2318, 2544, 2562, 2928, 2968, 3021, 3192, 3233, 3416, 3477, 4028, 4452, 4636, 5124, 5936, 6042, 6384, 6466, 6832, 6954, 7049, 8056, 8113, 8904, 9272, 9699, 10248, 12084, 12932, 13908, 14098, 16112, 16226, 17808, 18544, 19398, 20496, 21147, 22631, 24168, 24339, 25864, 27816, 28196, 32452, 38796, 42294, 45262, 48336, 48678, 51728, 55632, 56392, 61427, 64904, 67893, 77592, 84588, 90524, 97356, 112784, 122854, 129808, 135786, 155184, 169176, 181048, 184281, 194712, 245708, 271572, 338352, 362096, 368562, 389424, 429989, 491416, 543144, 737124, 859978, 982832, 1086288, 1289967, 1474248, 1719956, 2579934, 2948496, 3439912, 5159868, 6879824, 10319736, 20639472]

約数ペア:

[(1, 20639472), (2, 10319736), (3, 6879824), (4, 5159868), (6, 3439912), (7, 2948496), (8, 2579934), (12, 1719956), (14, 1474248), (16, 1289967), (19, 1086288), (21, 982832), (24, 859978), (28, 737124), (38, 543144), (42, 491416), (48, 429989), (53, 389424), (56, 368562), (57, 362096), (61, 338352), (76, 271572), (84, 245708), (106, 194712), (112, 184281), (114, 181048), (122, 169176), (133, 155184), (152, 135786), (159, 129808), (168, 122854), (183, 112784), (212, 97356), (228, 90524), (244, 84588), (266, 77592), (304, 67893), (318, 64904), (336, 61427), (366, 56392), (371, 55632), (399, 51728), (424, 48678), (427, 48336), (456, 45262), (488, 42294), (532, 38796), (636, 32452), (732, 28196), (742, 27816), (798, 25864), (848, 24339), (854, 24168), (912, 22631), (976, 21147), (1007, 20496), (1064, 19398), (1113, 18544), (1159, 17808), (1272, 16226), (1281, 16112), (1464, 14098), (1484, 13908), (1596, 12932), (1708, 12084), (2014, 10248), (2128, 9699), (2226, 9272), (2318, 8904), (2544, 8113), (2562, 8056), (2928, 7049), (2968, 6954), (3021, 6832), (3192, 6466), (3233, 6384), (3416, 6042), (3477, 5936), (4028, 5124), (4452, 4636)]