20092640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:204

約数の個数: 96

約数和(自身を含む): 51438240

約数和(自身を除く): 31345600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 83, 85, 89, 136, 160, 166, 170, 178, 272, 332, 340, 356, 415, 445, 544, 664, 680, 712, 830, 890, 1328, 1360, 1411, 1424, 1513, 1660, 1780, 2656, 2720, 2822, 2848, 3026, 3320, 3560, 5644, 6052, 6640, 7055, 7120, 7387, 7565, 11288, 12104, 13280, 14110, 14240, 14774, 15130, 22576, 24208, 28220, 29548, 30260, 36935, 45152, 48416, 56440, 59096, 60520, 73870, 112880, 118192, 121040, 125579, 147740, 225760, 236384, 242080, 251158, 295480, 502316, 590960, 627895, 1004632, 1181920, 1255790, 2009264, 2511580, 4018528, 5023160, 10046320, 20092640]

約数ペア:

[(1, 20092640), (2, 10046320), (4, 5023160), (5, 4018528), (8, 2511580), (10, 2009264), (16, 1255790), (17, 1181920), (20, 1004632), (32, 627895), (34, 590960), (40, 502316), (68, 295480), (80, 251158), (83, 242080), (85, 236384), (89, 225760), (136, 147740), (160, 125579), (166, 121040), (170, 118192), (178, 112880), (272, 73870), (332, 60520), (340, 59096), (356, 56440), (415, 48416), (445, 45152), (544, 36935), (664, 30260), (680, 29548), (712, 28220), (830, 24208), (890, 22576), (1328, 15130), (1360, 14774), (1411, 14240), (1424, 14110), (1513, 13280), (1660, 12104), (1780, 11288), (2656, 7565), (2720, 7387), (2822, 7120), (2848, 7055), (3026, 6640), (3320, 6052), (3560, 5644)]