20758530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:172

約数の個数: 128

約数和(自身を含む): 59222016

約数和(自身を除く): 38463486

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 31, 34, 39, 51, 62, 65, 78, 85, 93, 101, 102, 130, 155, 170, 186, 195, 202, 221, 255, 303, 310, 390, 403, 442, 465, 505, 510, 527, 606, 663, 806, 930, 1010, 1054, 1105, 1209, 1313, 1326, 1515, 1581, 1717, 2015, 2210, 2418, 2626, 2635, 3030, 3131, 3162, 3315, 3434, 3939, 4030, 5151, 5270, 6045, 6262, 6565, 6630, 6851, 7878, 7905, 8585, 9393, 10302, 12090, 13130, 13702, 15655, 15810, 17170, 18786, 19695, 20553, 22321, 25755, 31310, 34255, 39390, 40703, 41106, 44642, 46965, 51510, 53227, 66963, 68510, 81406, 93930, 102765, 106454, 111605, 122109, 133926, 159681, 203515, 205530, 223210, 244218, 266135, 319362, 334815, 407030, 532270, 610545, 669630, 691951, 798405, 1221090, 1383902, 1596810, 2075853, 3459755, 4151706, 6919510, 10379265, 20758530]

約数ペア:

[(1, 20758530), (2, 10379265), (3, 6919510), (5, 4151706), (6, 3459755), (10, 2075853), (13, 1596810), (15, 1383902), (17, 1221090), (26, 798405), (30, 691951), (31, 669630), (34, 610545), (39, 532270), (51, 407030), (62, 334815), (65, 319362), (78, 266135), (85, 244218), (93, 223210), (101, 205530), (102, 203515), (130, 159681), (155, 133926), (170, 122109), (186, 111605), (195, 106454), (202, 102765), (221, 93930), (255, 81406), (303, 68510), (310, 66963), (390, 53227), (403, 51510), (442, 46965), (465, 44642), (505, 41106), (510, 40703), (527, 39390), (606, 34255), (663, 31310), (806, 25755), (930, 22321), (1010, 20553), (1054, 19695), (1105, 18786), (1209, 17170), (1313, 15810), (1326, 15655), (1515, 13702), (1581, 13130), (1717, 12090), (2015, 10302), (2210, 9393), (2418, 8585), (2626, 7905), (2635, 7878), (3030, 6851), (3131, 6630), (3162, 6565), (3315, 6262), (3434, 6045), (3939, 5270), (4030, 5151)]