20456469240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{43789}}^1$

素因数の和:44049

約数の個数: 128

約数和(自身を含む): 65264616000

約数和(自身を除く): 44808146760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 229, 255, 340, 408, 458, 510, 680, 687, 916, 1020, 1145, 1374, 1832, 2040, 2290, 2748, 3435, 3893, 4580, 5496, 6870, 7786, 9160, 11679, 13740, 15572, 19465, 23358, 27480, 31144, 38930, 43789, 46716, 58395, 77860, 87578, 93432, 116790, 131367, 155720, 175156, 218945, 233580, 262734, 350312, 437890, 467160, 525468, 656835, 744413, 875780, 1050936, 1313670, 1488826, 1751560, 2233239, 2627340, 2977652, 3722065, 4466478, 5254680, 5955304, 7444130, 8932956, 10027681, 11166195, 14888260, 17865912, 20055362, 22332390, 29776520, 30083043, 40110724, 44664780, 50138405, 60166086, 80221448, 89329560, 100276810, 120332172, 150415215, 170470577, 200553620, 240664344, 300830430, 340941154, 401107240, 511411731, 601660860, 681882308, 852352885, 1022823462, 1203321720, 1363764616, 1704705770, 2045646924, 2557058655, 3409411540, 4091293848, 5114117310, 6818823080, 10228234620, 20456469240]

約数ペア:

[(1, 20456469240), (2, 10228234620), (3, 6818823080), (4, 5114117310), (5, 4091293848), (6, 3409411540), (8, 2557058655), (10, 2045646924), (12, 1704705770), (15, 1363764616), (17, 1203321720), (20, 1022823462), (24, 852352885), (30, 681882308), (34, 601660860), (40, 511411731), (51, 401107240), (60, 340941154), (68, 300830430), (85, 240664344), (102, 200553620), (120, 170470577), (136, 150415215), (170, 120332172), (204, 100276810), (229, 89329560), (255, 80221448), (340, 60166086), (408, 50138405), (458, 44664780), (510, 40110724), (680, 30083043), (687, 29776520), (916, 22332390), (1020, 20055362), (1145, 17865912), (1374, 14888260), (1832, 11166195), (2040, 10027681), (2290, 8932956), (2748, 7444130), (3435, 5955304), (3893, 5254680), (4580, 4466478), (5496, 3722065), (6870, 2977652), (7786, 2627340), (9160, 2233239), (11679, 1751560), (13740, 1488826), (15572, 1313670), (19465, 1050936), (23358, 875780), (27480, 744413), (31144, 656835), (38930, 525468), (43789, 467160), (46716, 437890), (58395, 350312), (77860, 262734), (87578, 233580), (93432, 218945), (116790, 175156), (131367, 155720)]