20490085550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{11719}}^1$

素因数の和:11787

約数の個数: 108

約数和(自身を含む): 44504156760

約数和(自身を除く): 24014071210

約数列:

[1, 2, 5, 10, 11, 17, 22, 25, 34, 50, 55, 85, 110, 121, 170, 187, 242, 275, 289, 374, 425, 550, 578, 605, 850, 935, 1210, 1445, 1870, 2057, 2890, 3025, 3179, 4114, 4675, 6050, 6358, 7225, 9350, 10285, 11719, 14450, 15895, 20570, 23438, 31790, 34969, 51425, 58595, 69938, 79475, 102850, 117190, 128909, 158950, 174845, 199223, 257818, 292975, 349690, 398446, 585950, 644545, 874225, 996115, 1289090, 1417999, 1748450, 1992230, 2191453, 2835998, 3222725, 3386791, 4382906, 4980575, 6445450, 6773582, 7089995, 9961150, 10957265, 14179990, 16933955, 21914530, 24105983, 33867910, 35449975, 37254701, 48211966, 54786325, 70899950, 74509402, 84669775, 109572650, 120529915, 169339550, 186273505, 241059830, 372547010, 409801711, 602649575, 819603422, 931367525, 1205299150, 1862735050, 2049008555, 4098017110, 10245042775, 20490085550]

約数ペア:

[(1, 20490085550), (2, 10245042775), (5, 4098017110), (10, 2049008555), (11, 1862735050), (17, 1205299150), (22, 931367525), (25, 819603422), (34, 602649575), (50, 409801711), (55, 372547010), (85, 241059830), (110, 186273505), (121, 169339550), (170, 120529915), (187, 109572650), (242, 84669775), (275, 74509402), (289, 70899950), (374, 54786325), (425, 48211966), (550, 37254701), (578, 35449975), (605, 33867910), (850, 24105983), (935, 21914530), (1210, 16933955), (1445, 14179990), (1870, 10957265), (2057, 9961150), (2890, 7089995), (3025, 6773582), (3179, 6445450), (4114, 4980575), (4675, 4382906), (6050, 3386791), (6358, 3222725), (7225, 2835998), (9350, 2191453), (10285, 1992230), (11719, 1748450), (14450, 1417999), (15895, 1289090), (20570, 996115), (23438, 874225), (31790, 644545), (34969, 585950), (51425, 398446), (58595, 349690), (69938, 292975), (79475, 257818), (102850, 199223), (117190, 174845), (128909, 158950)]