20153929516

素因数分解:

$2^2\times 7^3\times {\mathrm{1223}}^1\times {\mathrm{12011}}^1$

素因数の和:13259

約数の個数: 48

約数和(自身を含む): 41167526400

約数和(自身を除く): 21013596884

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1223, 1372, 2446, 4892, 8561, 12011, 17122, 24022, 34244, 48044, 59927, 84077, 119854, 168154, 239708, 336308, 419489, 588539, 838978, 1177078, 1677956, 2354156, 4119773, 8239546, 14689453, 16479092, 29378906, 58757812, 102826171, 205652342, 411304684, 719783197, 1439566394, 2879132788, 5038482379, 10076964758, 20153929516]

約数ペア:

[(1, 20153929516), (2, 10076964758), (4, 5038482379), (7, 2879132788), (14, 1439566394), (28, 719783197), (49, 411304684), (98, 205652342), (196, 102826171), (343, 58757812), (686, 29378906), (1223, 16479092), (1372, 14689453), (2446, 8239546), (4892, 4119773), (8561, 2354156), (12011, 1677956), (17122, 1177078), (24022, 838978), (34244, 588539), (48044, 419489), (59927, 336308), (84077, 239708), (119854, 168154)]