20103525

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:140

約数の個数: 96

約数和(自身を含む): 41664000

約数和(自身を除く): 21560475

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 29, 39, 45, 65, 75, 79, 87, 117, 135, 145, 195, 225, 237, 261, 325, 351, 377, 395, 435, 585, 675, 711, 725, 783, 975, 1027, 1131, 1185, 1305, 1755, 1885, 1975, 2133, 2175, 2291, 2925, 3081, 3393, 3555, 3915, 5135, 5655, 5925, 6525, 6873, 8775, 9243, 9425, 10179, 10665, 11455, 15405, 16965, 17775, 19575, 20619, 25675, 27729, 28275, 29783, 34365, 46215, 50895, 53325, 57275, 61857, 77025, 84825, 89349, 103095, 138645, 148915, 171825, 231075, 254475, 268047, 309285, 446745, 515475, 693225, 744575, 804141, 1340235, 1546425, 2233725, 4020705, 6701175, 20103525]

約数ペア:

[(1, 20103525), (3, 6701175), (5, 4020705), (9, 2233725), (13, 1546425), (15, 1340235), (25, 804141), (27, 744575), (29, 693225), (39, 515475), (45, 446745), (65, 309285), (75, 268047), (79, 254475), (87, 231075), (117, 171825), (135, 148915), (145, 138645), (195, 103095), (225, 89349), (237, 84825), (261, 77025), (325, 61857), (351, 57275), (377, 53325), (395, 50895), (435, 46215), (585, 34365), (675, 29783), (711, 28275), (725, 27729), (783, 25675), (975, 20619), (1027, 19575), (1131, 17775), (1185, 16965), (1305, 15405), (1755, 11455), (1885, 10665), (1975, 10179), (2133, 9425), (2175, 9243), (2291, 8775), (2925, 6873), (3081, 6525), (3393, 5925), (3555, 5655), (3915, 5135)]