20347548

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:203

約数の個数: 96

約数和(自身を含む): 54867456

約数和(自身を除く): 34519908

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 53, 69, 78, 92, 106, 107, 138, 156, 159, 212, 214, 276, 299, 318, 321, 428, 598, 636, 642, 689, 897, 1196, 1219, 1284, 1378, 1391, 1794, 2067, 2438, 2461, 2756, 2782, 3588, 3657, 4134, 4173, 4876, 4922, 5564, 5671, 7314, 7383, 8268, 8346, 9844, 11342, 14628, 14766, 15847, 16692, 17013, 22684, 29532, 31694, 31993, 34026, 47541, 63388, 63986, 68052, 73723, 95082, 95979, 127972, 130433, 147446, 190164, 191958, 221169, 260866, 294892, 383916, 391299, 442338, 521732, 782598, 884676, 1565196, 1695629, 3391258, 5086887, 6782516, 10173774, 20347548]

約数ペア:

[(1, 20347548), (2, 10173774), (3, 6782516), (4, 5086887), (6, 3391258), (12, 1695629), (13, 1565196), (23, 884676), (26, 782598), (39, 521732), (46, 442338), (52, 391299), (53, 383916), (69, 294892), (78, 260866), (92, 221169), (106, 191958), (107, 190164), (138, 147446), (156, 130433), (159, 127972), (212, 95979), (214, 95082), (276, 73723), (299, 68052), (318, 63986), (321, 63388), (428, 47541), (598, 34026), (636, 31993), (642, 31694), (689, 29532), (897, 22684), (1196, 17013), (1219, 16692), (1284, 15847), (1378, 14766), (1391, 14628), (1794, 11342), (2067, 9844), (2438, 8346), (2461, 8268), (2756, 7383), (2782, 7314), (3588, 5671), (3657, 5564), (4134, 4922), (4173, 4876)]