20535120

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{3169}}^1$

素因数の和:3194

約数の個数: 100

約数和(自身を含む): 71344020

約数和(自身を除く): 50808900

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3169, 3240, 6338, 6480, 9507, 12676, 15845, 19014, 25352, 28521, 31690, 38028, 47535, 50704, 57042, 63380, 76056, 85563, 95070, 114084, 126760, 142605, 152112, 171126, 190140, 228168, 253520, 256689, 285210, 342252, 380280, 427815, 456336, 513378, 570420, 684504, 760560, 855630, 1026756, 1140840, 1283445, 1369008, 1711260, 2053512, 2281680, 2566890, 3422520, 4107024, 5133780, 6845040, 10267560, 20535120]

約数ペア:

[(1, 20535120), (2, 10267560), (3, 6845040), (4, 5133780), (5, 4107024), (6, 3422520), (8, 2566890), (9, 2281680), (10, 2053512), (12, 1711260), (15, 1369008), (16, 1283445), (18, 1140840), (20, 1026756), (24, 855630), (27, 760560), (30, 684504), (36, 570420), (40, 513378), (45, 456336), (48, 427815), (54, 380280), (60, 342252), (72, 285210), (80, 256689), (81, 253520), (90, 228168), (108, 190140), (120, 171126), (135, 152112), (144, 142605), (162, 126760), (180, 114084), (216, 95070), (240, 85563), (270, 76056), (324, 63380), (360, 57042), (405, 50704), (432, 47535), (540, 38028), (648, 31690), (720, 28521), (810, 25352), (1080, 19014), (1296, 15845), (1620, 12676), (2160, 9507), (3169, 6480), (3240, 6338)]