20193540101

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:510

約数の個数: 64

約数和(自身を含む): 24973401600

約数和(自身を除く): 4779861499

約数列:

[1, 7, 29, 61, 73, 89, 203, 251, 427, 511, 623, 1757, 1769, 2117, 2581, 4453, 5429, 6497, 7279, 12383, 14819, 15311, 18067, 18323, 22339, 31171, 38003, 45479, 50953, 107177, 128261, 129137, 156373, 157441, 188413, 396317, 444019, 531367, 647831, 903959, 1102087, 1117703, 1318891, 1362679, 1630747, 2774219, 3108133, 3719569, 4534817, 7823921, 9538753, 11415229, 11493193, 32413387, 39517691, 47291663, 80452351, 99475567, 226893709, 276623837, 331041641, 696328969, 2884791443, 20193540101]

約数ペア:

[(1, 20193540101), (7, 2884791443), (29, 696328969), (61, 331041641), (73, 276623837), (89, 226893709), (203, 99475567), (251, 80452351), (427, 47291663), (511, 39517691), (623, 32413387), (1757, 11493193), (1769, 11415229), (2117, 9538753), (2581, 7823921), (4453, 4534817), (5429, 3719569), (6497, 3108133), (7279, 2774219), (12383, 1630747), (14819, 1362679), (15311, 1318891), (18067, 1117703), (18323, 1102087), (22339, 903959), (31171, 647831), (38003, 531367), (45479, 444019), (50953, 396317), (107177, 188413), (128261, 157441), (129137, 156373)]