20154163930

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^2\times {\mathrm{983}}^1$

素因数の和:1160

約数の個数: 96

約数和(自身を含む): 40202697600

約数和(自身を除く): 20048533670

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 61, 95, 122, 145, 190, 290, 305, 551, 610, 983, 1102, 1159, 1769, 1966, 2318, 2755, 3538, 3721, 4915, 5510, 5795, 7442, 8845, 9830, 11590, 17690, 18605, 18677, 28507, 33611, 37210, 37354, 57014, 59963, 67222, 70699, 93385, 107909, 119926, 141398, 142535, 168055, 186770, 215818, 285070, 299815, 336110, 353495, 539545, 541633, 599630, 706990, 1079090, 1083266, 1139297, 1738927, 2050271, 2278594, 2708165, 3477854, 3657743, 4100542, 5416330, 5696485, 7315486, 8694635, 10251355, 11392970, 17389270, 18288715, 20502710, 33039613, 36577430, 66079226, 69497117, 106074547, 138994234, 165198065, 212149094, 330396130, 347485585, 530372735, 694971170, 1060745470, 2015416393, 4030832786, 10077081965, 20154163930]

約数ペア:

[(1, 20154163930), (2, 10077081965), (5, 4030832786), (10, 2015416393), (19, 1060745470), (29, 694971170), (38, 530372735), (58, 347485585), (61, 330396130), (95, 212149094), (122, 165198065), (145, 138994234), (190, 106074547), (290, 69497117), (305, 66079226), (551, 36577430), (610, 33039613), (983, 20502710), (1102, 18288715), (1159, 17389270), (1769, 11392970), (1966, 10251355), (2318, 8694635), (2755, 7315486), (3538, 5696485), (3721, 5416330), (4915, 4100542), (5510, 3657743), (5795, 3477854), (7442, 2708165), (8845, 2278594), (9830, 2050271), (11590, 1738927), (17690, 1139297), (18605, 1083266), (18677, 1079090), (28507, 706990), (33611, 599630), (37210, 541633), (37354, 539545), (57014, 353495), (59963, 336110), (67222, 299815), (70699, 285070), (93385, 215818), (107909, 186770), (119926, 168055), (141398, 142535)]