20135678420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{36479}}^1$

素因数の和:36705

約数の個数: 96

約数和(自身を含む): 49936158720

約数和(自身を除く): 29800480300

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 193, 220, 260, 286, 386, 572, 715, 772, 965, 1430, 1930, 2123, 2509, 2860, 3860, 4246, 5018, 8492, 10036, 10615, 12545, 21230, 25090, 27599, 36479, 42460, 50180, 55198, 72958, 110396, 137995, 145916, 182395, 275990, 364790, 401269, 474227, 551980, 729580, 802538, 948454, 1605076, 1896908, 2006345, 2371135, 4012690, 4742270, 5216497, 7040447, 8025380, 9484540, 10432994, 14080894, 20865988, 26082485, 28161788, 35202235, 52164970, 70404470, 77444917, 91525811, 104329940, 140808940, 154889834, 183051622, 309779668, 366103244, 387224585, 457629055, 774449170, 915258110, 1006783921, 1548898340, 1830516220, 2013567842, 4027135684, 5033919605, 10067839210, 20135678420]

約数ペア:

[(1, 20135678420), (2, 10067839210), (4, 5033919605), (5, 4027135684), (10, 2013567842), (11, 1830516220), (13, 1548898340), (20, 1006783921), (22, 915258110), (26, 774449170), (44, 457629055), (52, 387224585), (55, 366103244), (65, 309779668), (110, 183051622), (130, 154889834), (143, 140808940), (193, 104329940), (220, 91525811), (260, 77444917), (286, 70404470), (386, 52164970), (572, 35202235), (715, 28161788), (772, 26082485), (965, 20865988), (1430, 14080894), (1930, 10432994), (2123, 9484540), (2509, 8025380), (2860, 7040447), (3860, 5216497), (4246, 4742270), (5018, 4012690), (8492, 2371135), (10036, 2006345), (10615, 1896908), (12545, 1605076), (21230, 948454), (25090, 802538), (27599, 729580), (36479, 551980), (42460, 474227), (50180, 401269), (55198, 364790), (72958, 275990), (110396, 182395), (137995, 145916)]