20532780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3083}}^1$

素因数の和:3135

約数の個数: 72

約数和(自身を含む): 63986832

約数和(自身を除く): 43454052

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3083, 3330, 6166, 6660, 9249, 12332, 15415, 18498, 27747, 30830, 36996, 46245, 55494, 61660, 92490, 110988, 114071, 138735, 184980, 228142, 277470, 342213, 456284, 554940, 570355, 684426, 1026639, 1140710, 1368852, 1711065, 2053278, 2281420, 3422130, 4106556, 5133195, 6844260, 10266390, 20532780]

約数ペア:

[(1, 20532780), (2, 10266390), (3, 6844260), (4, 5133195), (5, 4106556), (6, 3422130), (9, 2281420), (10, 2053278), (12, 1711065), (15, 1368852), (18, 1140710), (20, 1026639), (30, 684426), (36, 570355), (37, 554940), (45, 456284), (60, 342213), (74, 277470), (90, 228142), (111, 184980), (148, 138735), (180, 114071), (185, 110988), (222, 92490), (333, 61660), (370, 55494), (444, 46245), (555, 36996), (666, 30830), (740, 27747), (1110, 18498), (1332, 15415), (1665, 12332), (2220, 9249), (3083, 6660), (3330, 6166)]