20879586

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{607}}^1$

素因数の和:645

約数の個数: 96

約数和(自身を含む): 58222080

約数和(自身を除く): 37342494

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 49, 54, 63, 78, 91, 98, 117, 126, 147, 182, 189, 234, 273, 294, 351, 378, 441, 546, 607, 637, 702, 819, 882, 1214, 1274, 1323, 1638, 1821, 1911, 2457, 2646, 3642, 3822, 4249, 4914, 5463, 5733, 7891, 8498, 10926, 11466, 12747, 15782, 16389, 17199, 23673, 25494, 29743, 32778, 34398, 38241, 47346, 55237, 59486, 71019, 76482, 89229, 110474, 114723, 142038, 165711, 178458, 213057, 229446, 267687, 331422, 386659, 426114, 497133, 535374, 773318, 803061, 994266, 1159977, 1491399, 1606122, 2319954, 2982798, 3479931, 6959862, 10439793, 20879586]

約数ペア:

[(1, 20879586), (2, 10439793), (3, 6959862), (6, 3479931), (7, 2982798), (9, 2319954), (13, 1606122), (14, 1491399), (18, 1159977), (21, 994266), (26, 803061), (27, 773318), (39, 535374), (42, 497133), (49, 426114), (54, 386659), (63, 331422), (78, 267687), (91, 229446), (98, 213057), (117, 178458), (126, 165711), (147, 142038), (182, 114723), (189, 110474), (234, 89229), (273, 76482), (294, 71019), (351, 59486), (378, 55237), (441, 47346), (546, 38241), (607, 34398), (637, 32778), (702, 29743), (819, 25494), (882, 23673), (1214, 17199), (1274, 16389), (1323, 15782), (1638, 12747), (1821, 11466), (1911, 10926), (2457, 8498), (2646, 7891), (3642, 5733), (3822, 5463), (4249, 4914)]