20487981120

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1255391}}^1$

素因数の和:1255428

約数の個数: 112

約数和(自身を含む): 68875826688

約数和(自身を除く): 48387845568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 408, 480, 510, 544, 680, 816, 960, 1020, 1088, 1360, 1632, 2040, 2720, 3264, 4080, 5440, 8160, 16320, 1255391, 2510782, 3766173, 5021564, 6276955, 7532346, 10043128, 12553910, 15064692, 18830865, 20086256, 21341647, 25107820, 30129384, 37661730, 40172512, 42683294, 50215640, 60258768, 64024941, 75323460, 80345024, 85366588, 100431280, 106708235, 120517536, 128049882, 150646920, 170733176, 200862560, 213416470, 241035072, 256099764, 301293840, 320124705, 341466352, 401725120, 426832940, 512199528, 602587680, 640249410, 682932704, 853665880, 1024399056, 1205175360, 1280498820, 1365865408, 1707331760, 2048798112, 2560997640, 3414663520, 4097596224, 5121995280, 6829327040, 10243990560, 20487981120]

約数ペア:

[(1, 20487981120), (2, 10243990560), (3, 6829327040), (4, 5121995280), (5, 4097596224), (6, 3414663520), (8, 2560997640), (10, 2048798112), (12, 1707331760), (15, 1365865408), (16, 1280498820), (17, 1205175360), (20, 1024399056), (24, 853665880), (30, 682932704), (32, 640249410), (34, 602587680), (40, 512199528), (48, 426832940), (51, 401725120), (60, 341466352), (64, 320124705), (68, 301293840), (80, 256099764), (85, 241035072), (96, 213416470), (102, 200862560), (120, 170733176), (136, 150646920), (160, 128049882), (170, 120517536), (192, 106708235), (204, 100431280), (240, 85366588), (255, 80345024), (272, 75323460), (320, 64024941), (340, 60258768), (408, 50215640), (480, 42683294), (510, 40172512), (544, 37661730), (680, 30129384), (816, 25107820), (960, 21341647), (1020, 20086256), (1088, 18830865), (1360, 15064692), (1632, 12553910), (2040, 10043128), (2720, 7532346), (3264, 6276955), (4080, 5021564), (5440, 3766173), (8160, 2510782), (16320, 1255391)]