20095440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:157

約数の個数: 160

約数和(自身を含む): 66948096

約数和(自身を除く): 46852656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 37, 40, 48, 60, 62, 73, 74, 80, 93, 111, 120, 124, 146, 148, 155, 185, 186, 219, 222, 240, 248, 292, 296, 310, 365, 370, 372, 438, 444, 465, 496, 555, 584, 592, 620, 730, 740, 744, 876, 888, 930, 1095, 1110, 1147, 1168, 1240, 1460, 1480, 1488, 1752, 1776, 1860, 2190, 2220, 2263, 2294, 2480, 2701, 2920, 2960, 3441, 3504, 3720, 4380, 4440, 4526, 4588, 5402, 5735, 5840, 6789, 6882, 7440, 8103, 8760, 8880, 9052, 9176, 10804, 11315, 11470, 13505, 13578, 13764, 16206, 17205, 17520, 18104, 18352, 21608, 22630, 22940, 27010, 27156, 27528, 32412, 33945, 34410, 36208, 40515, 43216, 45260, 45880, 54020, 54312, 55056, 64824, 67890, 68820, 81030, 83731, 90520, 91760, 108040, 108624, 129648, 135780, 137640, 162060, 167462, 181040, 216080, 251193, 271560, 275280, 324120, 334924, 418655, 502386, 543120, 648240, 669848, 837310, 1004772, 1255965, 1339696, 1674620, 2009544, 2511930, 3349240, 4019088, 5023860, 6698480, 10047720, 20095440]

約数ペア:

[(1, 20095440), (2, 10047720), (3, 6698480), (4, 5023860), (5, 4019088), (6, 3349240), (8, 2511930), (10, 2009544), (12, 1674620), (15, 1339696), (16, 1255965), (20, 1004772), (24, 837310), (30, 669848), (31, 648240), (37, 543120), (40, 502386), (48, 418655), (60, 334924), (62, 324120), (73, 275280), (74, 271560), (80, 251193), (93, 216080), (111, 181040), (120, 167462), (124, 162060), (146, 137640), (148, 135780), (155, 129648), (185, 108624), (186, 108040), (219, 91760), (222, 90520), (240, 83731), (248, 81030), (292, 68820), (296, 67890), (310, 64824), (365, 55056), (370, 54312), (372, 54020), (438, 45880), (444, 45260), (465, 43216), (496, 40515), (555, 36208), (584, 34410), (592, 33945), (620, 32412), (730, 27528), (740, 27156), (744, 27010), (876, 22940), (888, 22630), (930, 21608), (1095, 18352), (1110, 18104), (1147, 17520), (1168, 17205), (1240, 16206), (1460, 13764), (1480, 13578), (1488, 13505), (1752, 11470), (1776, 11315), (1860, 10804), (2190, 9176), (2220, 9052), (2263, 8880), (2294, 8760), (2480, 8103), (2701, 7440), (2920, 6882), (2960, 6789), (3441, 5840), (3504, 5735), (3720, 5402), (4380, 4588), (4440, 4526)]