20893236

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1$

素因数の和:118

約数の個数: 144

約数和(自身を含む): 64520064

約数和(自身を除く): 43626828

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 38, 39, 42, 52, 53, 57, 76, 78, 84, 91, 106, 114, 133, 156, 159, 182, 212, 228, 247, 266, 273, 318, 361, 364, 371, 399, 494, 532, 546, 636, 689, 722, 741, 742, 798, 988, 1007, 1083, 1092, 1113, 1378, 1444, 1482, 1484, 1596, 1729, 2014, 2067, 2166, 2226, 2527, 2756, 2964, 3021, 3458, 4028, 4134, 4332, 4452, 4693, 4823, 5054, 5187, 6042, 6916, 7049, 7581, 8268, 9386, 9646, 10108, 10374, 12084, 13091, 14079, 14098, 14469, 15162, 18772, 19133, 19292, 20748, 21147, 26182, 28158, 28196, 28938, 30324, 32851, 38266, 39273, 42294, 52364, 56316, 57399, 57876, 65702, 76532, 78546, 84588, 91637, 98553, 114798, 131404, 133931, 157092, 183274, 197106, 229596, 248729, 267862, 274911, 366548, 394212, 401793, 497458, 535724, 549822, 746187, 803586, 994916, 1099644, 1492374, 1607172, 1741103, 2984748, 3482206, 5223309, 6964412, 10446618, 20893236]

約数ペア:

[(1, 20893236), (2, 10446618), (3, 6964412), (4, 5223309), (6, 3482206), (7, 2984748), (12, 1741103), (13, 1607172), (14, 1492374), (19, 1099644), (21, 994916), (26, 803586), (28, 746187), (38, 549822), (39, 535724), (42, 497458), (52, 401793), (53, 394212), (57, 366548), (76, 274911), (78, 267862), (84, 248729), (91, 229596), (106, 197106), (114, 183274), (133, 157092), (156, 133931), (159, 131404), (182, 114798), (212, 98553), (228, 91637), (247, 84588), (266, 78546), (273, 76532), (318, 65702), (361, 57876), (364, 57399), (371, 56316), (399, 52364), (494, 42294), (532, 39273), (546, 38266), (636, 32851), (689, 30324), (722, 28938), (741, 28196), (742, 28158), (798, 26182), (988, 21147), (1007, 20748), (1083, 19292), (1092, 19133), (1113, 18772), (1378, 15162), (1444, 14469), (1482, 14098), (1484, 14079), (1596, 13091), (1729, 12084), (2014, 10374), (2067, 10108), (2166, 9646), (2226, 9386), (2527, 8268), (2756, 7581), (2964, 7049), (3021, 6916), (3458, 6042), (4028, 5187), (4134, 5054), (4332, 4823), (4452, 4693)]