20199691540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{33161}}^1$

素因数の和:33425

約数の個数: 96

約数和(自身を含む): 51255187200

約数和(自身を除く): 31055495660

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 229, 266, 380, 458, 532, 665, 916, 1145, 1330, 1603, 2290, 2660, 3206, 4351, 4580, 6412, 8015, 8702, 16030, 17404, 21755, 30457, 32060, 33161, 43510, 60914, 66322, 87020, 121828, 132644, 152285, 165805, 232127, 304570, 331610, 464254, 609140, 630059, 663220, 928508, 1160635, 1260118, 2321270, 2520236, 3150295, 4410413, 4642540, 6300590, 7593869, 8820826, 12601180, 15187738, 17641652, 22052065, 30375476, 37969345, 44104130, 53157083, 75938690, 88208260, 106314166, 144283511, 151877380, 212628332, 265785415, 288567022, 531570830, 577134044, 721417555, 1009984577, 1063141660, 1442835110, 2019969154, 2885670220, 4039938308, 5049922885, 10099845770, 20199691540]

約数ペア:

[(1, 20199691540), (2, 10099845770), (4, 5049922885), (5, 4039938308), (7, 2885670220), (10, 2019969154), (14, 1442835110), (19, 1063141660), (20, 1009984577), (28, 721417555), (35, 577134044), (38, 531570830), (70, 288567022), (76, 265785415), (95, 212628332), (133, 151877380), (140, 144283511), (190, 106314166), (229, 88208260), (266, 75938690), (380, 53157083), (458, 44104130), (532, 37969345), (665, 30375476), (916, 22052065), (1145, 17641652), (1330, 15187738), (1603, 12601180), (2290, 8820826), (2660, 7593869), (3206, 6300590), (4351, 4642540), (4580, 4410413), (6412, 3150295), (8015, 2520236), (8702, 2321270), (16030, 1260118), (17404, 1160635), (21755, 928508), (30457, 663220), (32060, 630059), (33161, 609140), (43510, 464254), (60914, 331610), (66322, 304570), (87020, 232127), (121828, 165805), (132644, 152285)]