20544678

素因数分解:

$2^1\times 3^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1$

素因数の和:102

約数の個数: 128

約数和(自身を含む): 58567680

約数和(自身を除く): 38023002

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 61, 63, 66, 77, 81, 99, 122, 126, 154, 162, 183, 189, 198, 231, 243, 297, 366, 378, 427, 462, 486, 549, 567, 594, 671, 693, 729, 854, 891, 1098, 1134, 1281, 1342, 1386, 1458, 1647, 1701, 1782, 2013, 2079, 2187, 2562, 2673, 3294, 3402, 3843, 4026, 4158, 4374, 4697, 4941, 5103, 5346, 6039, 6237, 7686, 8019, 9394, 9882, 10206, 11529, 12078, 12474, 14091, 14823, 15309, 16038, 18117, 18711, 23058, 24057, 28182, 29646, 30618, 34587, 36234, 37422, 42273, 44469, 48114, 54351, 56133, 69174, 84546, 88938, 103761, 108702, 112266, 126819, 133407, 163053, 168399, 207522, 253638, 266814, 311283, 326106, 336798, 380457, 489159, 622566, 760914, 933849, 978318, 1141371, 1467477, 1867698, 2282742, 2934954, 3424113, 6848226, 10272339, 20544678]

約数ペア:

[(1, 20544678), (2, 10272339), (3, 6848226), (6, 3424113), (7, 2934954), (9, 2282742), (11, 1867698), (14, 1467477), (18, 1141371), (21, 978318), (22, 933849), (27, 760914), (33, 622566), (42, 489159), (54, 380457), (61, 336798), (63, 326106), (66, 311283), (77, 266814), (81, 253638), (99, 207522), (122, 168399), (126, 163053), (154, 133407), (162, 126819), (183, 112266), (189, 108702), (198, 103761), (231, 88938), (243, 84546), (297, 69174), (366, 56133), (378, 54351), (427, 48114), (462, 44469), (486, 42273), (549, 37422), (567, 36234), (594, 34587), (671, 30618), (693, 29646), (729, 28182), (854, 24057), (891, 23058), (1098, 18711), (1134, 18117), (1281, 16038), (1342, 15309), (1386, 14823), (1458, 14091), (1647, 12474), (1701, 12078), (1782, 11529), (2013, 10206), (2079, 9882), (2187, 9394), (2562, 8019), (2673, 7686), (3294, 6237), (3402, 6039), (3843, 5346), (4026, 5103), (4158, 4941), (4374, 4697)]