20294112825

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1\times {\mathrm{523}}^1$

素因数の和:964

約数の個数: 144

約数和(自身を含む): 42329005056

約数和(自身を除く): 22034892231

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 71, 75, 105, 175, 213, 225, 315, 347, 355, 497, 523, 525, 639, 1041, 1065, 1491, 1569, 1575, 1735, 1775, 2429, 2485, 2615, 3123, 3195, 3661, 4473, 4707, 5205, 5325, 7287, 7455, 7845, 8675, 10983, 12145, 12425, 13075, 15615, 15975, 18305, 21861, 22365, 23535, 24637, 26025, 32949, 36435, 37133, 37275, 39225, 54915, 60725, 73911, 78075, 91525, 109305, 111399, 111825, 117675, 123185, 164745, 172459, 181481, 182175, 185665, 221733, 259931, 274575, 334197, 369555, 517377, 544443, 546525, 556995, 615925, 779793, 823725, 862295, 907405, 928325, 1108665, 1270367, 1299655, 1552131, 1633329, 1670985, 1847775, 2339379, 2586885, 2722215, 2784975, 3811101, 3898965, 4311475, 4537025, 5543325, 6351835, 6498275, 7760655, 8166645, 8354925, 11433303, 11696895, 12885151, 12934425, 13611075, 19055505, 19494825, 31759175, 38655453, 38803275, 40833225, 57166515, 58484475, 64425755, 90196057, 95277525, 115966359, 193277265, 270588171, 285832575, 322128775, 450980285, 579831795, 811764513, 966386325, 1352940855, 2254901425, 2899158975, 4058822565, 6764704275, 20294112825]

約数ペア:

[(1, 20294112825), (3, 6764704275), (5, 4058822565), (7, 2899158975), (9, 2254901425), (15, 1352940855), (21, 966386325), (25, 811764513), (35, 579831795), (45, 450980285), (63, 322128775), (71, 285832575), (75, 270588171), (105, 193277265), (175, 115966359), (213, 95277525), (225, 90196057), (315, 64425755), (347, 58484475), (355, 57166515), (497, 40833225), (523, 38803275), (525, 38655453), (639, 31759175), (1041, 19494825), (1065, 19055505), (1491, 13611075), (1569, 12934425), (1575, 12885151), (1735, 11696895), (1775, 11433303), (2429, 8354925), (2485, 8166645), (2615, 7760655), (3123, 6498275), (3195, 6351835), (3661, 5543325), (4473, 4537025), (4707, 4311475), (5205, 3898965), (5325, 3811101), (7287, 2784975), (7455, 2722215), (7845, 2586885), (8675, 2339379), (10983, 1847775), (12145, 1670985), (12425, 1633329), (13075, 1552131), (15615, 1299655), (15975, 1270367), (18305, 1108665), (21861, 928325), (22365, 907405), (23535, 862295), (24637, 823725), (26025, 779793), (32949, 615925), (36435, 556995), (37133, 546525), (37275, 544443), (39225, 517377), (54915, 369555), (60725, 334197), (73911, 274575), (78075, 259931), (91525, 221733), (109305, 185665), (111399, 182175), (111825, 181481), (117675, 172459), (123185, 164745)]