20757690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:292

約数の個数: 96

約数和(自身を含む): 58032000

約数和(自身を除く): 37274310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 61, 90, 95, 114, 122, 171, 183, 190, 199, 285, 305, 342, 366, 398, 549, 570, 597, 610, 855, 915, 995, 1098, 1159, 1194, 1710, 1791, 1830, 1990, 2318, 2745, 2985, 3477, 3582, 3781, 5490, 5795, 5970, 6954, 7562, 8955, 10431, 11343, 11590, 12139, 17385, 17910, 18905, 20862, 22686, 24278, 34029, 34770, 36417, 37810, 52155, 56715, 60695, 68058, 72834, 104310, 109251, 113430, 121390, 170145, 182085, 218502, 230641, 340290, 364170, 461282, 546255, 691923, 1092510, 1153205, 1383846, 2075769, 2306410, 3459615, 4151538, 6919230, 10378845, 20757690]

約数ペア:

[(1, 20757690), (2, 10378845), (3, 6919230), (5, 4151538), (6, 3459615), (9, 2306410), (10, 2075769), (15, 1383846), (18, 1153205), (19, 1092510), (30, 691923), (38, 546255), (45, 461282), (57, 364170), (61, 340290), (90, 230641), (95, 218502), (114, 182085), (122, 170145), (171, 121390), (183, 113430), (190, 109251), (199, 104310), (285, 72834), (305, 68058), (342, 60695), (366, 56715), (398, 52155), (549, 37810), (570, 36417), (597, 34770), (610, 34029), (855, 24278), (915, 22686), (995, 20862), (1098, 18905), (1159, 17910), (1194, 17385), (1710, 12139), (1791, 11590), (1830, 11343), (1990, 10431), (2318, 8955), (2745, 7562), (2985, 6954), (3477, 5970), (3582, 5795), (3781, 5490)]