20829960

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{2143}}^1$

素因数の和:2169

約数の個数: 96

約数和(自身を含む): 70237440

約数和(自身を除く): 49407480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 2143, 2430, 3240, 4286, 4860, 6429, 8572, 9720, 10715, 12858, 17144, 19287, 21430, 25716, 32145, 38574, 42860, 51432, 57861, 64290, 77148, 85720, 96435, 115722, 128580, 154296, 173583, 192870, 231444, 257160, 289305, 347166, 385740, 462888, 520749, 578610, 694332, 771480, 867915, 1041498, 1157220, 1388664, 1735830, 2082996, 2314440, 2603745, 3471660, 4165992, 5207490, 6943320, 10414980, 20829960]

約数ペア:

[(1, 20829960), (2, 10414980), (3, 6943320), (4, 5207490), (5, 4165992), (6, 3471660), (8, 2603745), (9, 2314440), (10, 2082996), (12, 1735830), (15, 1388664), (18, 1157220), (20, 1041498), (24, 867915), (27, 771480), (30, 694332), (36, 578610), (40, 520749), (45, 462888), (54, 385740), (60, 347166), (72, 289305), (81, 257160), (90, 231444), (108, 192870), (120, 173583), (135, 154296), (162, 128580), (180, 115722), (216, 96435), (243, 85720), (270, 77148), (324, 64290), (360, 57861), (405, 51432), (486, 42860), (540, 38574), (648, 32145), (810, 25716), (972, 21430), (1080, 19287), (1215, 17144), (1620, 12858), (1944, 10715), (2143, 9720), (2430, 8572), (3240, 6429), (4286, 4860)]