20277157040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1168039}}^1$

素因数の和:1168090

約数の個数: 80

約数和(自身を含む): 55617392640

約数和(自身を除く): 35340235600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 1168039, 2336078, 4672156, 5840195, 8176273, 9344312, 11680390, 16352546, 18688624, 23360780, 32705092, 36209209, 40881365, 46721560, 65410184, 72418418, 81762730, 93443120, 130820368, 144836836, 163525460, 181046045, 253464463, 289673672, 327050920, 362092090, 506928926, 579347344, 654101840, 724184180, 1013857852, 1267322315, 1448368360, 2027715704, 2534644630, 2896736720, 4055431408, 5069289260, 10138578520, 20277157040]

約数ペア:

[(1, 20277157040), (2, 10138578520), (4, 5069289260), (5, 4055431408), (7, 2896736720), (8, 2534644630), (10, 2027715704), (14, 1448368360), (16, 1267322315), (20, 1013857852), (28, 724184180), (31, 654101840), (35, 579347344), (40, 506928926), (56, 362092090), (62, 327050920), (70, 289673672), (80, 253464463), (112, 181046045), (124, 163525460), (140, 144836836), (155, 130820368), (217, 93443120), (248, 81762730), (280, 72418418), (310, 65410184), (434, 46721560), (496, 40881365), (560, 36209209), (620, 32705092), (868, 23360780), (1085, 18688624), (1240, 16352546), (1736, 11680390), (2170, 9344312), (2480, 8176273), (3472, 5840195), (4340, 4672156), (8680, 2336078), (17360, 1168039)]