20090040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:317

約数の個数: 128

約数和(自身を含む): 65318400

約数和(自身を除く): 45228360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 29, 30, 40, 46, 58, 60, 69, 87, 92, 115, 116, 120, 138, 145, 174, 184, 230, 232, 251, 276, 290, 345, 348, 435, 460, 502, 552, 580, 667, 690, 696, 753, 870, 920, 1004, 1160, 1255, 1334, 1380, 1506, 1740, 2001, 2008, 2510, 2668, 2760, 3012, 3335, 3480, 3765, 4002, 5020, 5336, 5773, 6024, 6670, 7279, 7530, 8004, 10005, 10040, 11546, 13340, 14558, 15060, 16008, 17319, 20010, 21837, 23092, 26680, 28865, 29116, 30120, 34638, 36395, 40020, 43674, 46184, 57730, 58232, 69276, 72790, 80040, 86595, 87348, 109185, 115460, 138552, 145580, 167417, 173190, 174696, 218370, 230920, 291160, 334834, 346380, 436740, 502251, 669668, 692760, 837085, 873480, 1004502, 1339336, 1674170, 2009004, 2511255, 3348340, 4018008, 5022510, 6696680, 10045020, 20090040]

約数ペア:

[(1, 20090040), (2, 10045020), (3, 6696680), (4, 5022510), (5, 4018008), (6, 3348340), (8, 2511255), (10, 2009004), (12, 1674170), (15, 1339336), (20, 1004502), (23, 873480), (24, 837085), (29, 692760), (30, 669668), (40, 502251), (46, 436740), (58, 346380), (60, 334834), (69, 291160), (87, 230920), (92, 218370), (115, 174696), (116, 173190), (120, 167417), (138, 145580), (145, 138552), (174, 115460), (184, 109185), (230, 87348), (232, 86595), (251, 80040), (276, 72790), (290, 69276), (345, 58232), (348, 57730), (435, 46184), (460, 43674), (502, 40020), (552, 36395), (580, 34638), (667, 30120), (690, 29116), (696, 28865), (753, 26680), (870, 23092), (920, 21837), (1004, 20010), (1160, 17319), (1255, 16008), (1334, 15060), (1380, 14558), (1506, 13340), (1740, 11546), (2001, 10040), (2008, 10005), (2510, 8004), (2668, 7530), (2760, 7279), (3012, 6670), (3335, 6024), (3480, 5773), (3765, 5336), (4002, 5020)]