20122679980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{757}}^1\times {\mathrm{5381}}^1$

素因数の和:6179

約数の個数: 96

約数和(自身を含む): 47975578560

約数和(自身を除く): 27852898580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 757, 988, 1235, 1514, 2470, 3028, 3785, 4940, 5381, 7570, 9841, 10762, 14383, 15140, 19682, 21524, 26905, 28766, 39364, 49205, 53810, 57532, 69953, 71915, 98410, 102239, 107620, 139906, 143830, 186979, 196820, 204478, 279812, 287660, 349765, 373958, 408956, 511195, 699530, 747916, 934895, 1022390, 1329107, 1399060, 1869790, 2044780, 2658214, 3739580, 4073417, 5316428, 6645535, 8146834, 13291070, 16293668, 20367085, 26582140, 40734170, 52954421, 77394923, 81468340, 105908842, 154789846, 211817684, 264772105, 309579692, 386974615, 529544210, 773949230, 1006133999, 1059088420, 1547898460, 2012267998, 4024535996, 5030669995, 10061339990, 20122679980]

約数ペア:

[(1, 20122679980), (2, 10061339990), (4, 5030669995), (5, 4024535996), (10, 2012267998), (13, 1547898460), (19, 1059088420), (20, 1006133999), (26, 773949230), (38, 529544210), (52, 386974615), (65, 309579692), (76, 264772105), (95, 211817684), (130, 154789846), (190, 105908842), (247, 81468340), (260, 77394923), (380, 52954421), (494, 40734170), (757, 26582140), (988, 20367085), (1235, 16293668), (1514, 13291070), (2470, 8146834), (3028, 6645535), (3785, 5316428), (4940, 4073417), (5381, 3739580), (7570, 2658214), (9841, 2044780), (10762, 1869790), (14383, 1399060), (15140, 1329107), (19682, 1022390), (21524, 934895), (26905, 747916), (28766, 699530), (39364, 511195), (49205, 408956), (53810, 373958), (57532, 349765), (69953, 287660), (71915, 279812), (98410, 204478), (102239, 196820), (107620, 186979), (139906, 143830)]