20236421428

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{54709}}^1$

素因数の和:54920

約数の個数: 48

約数和(自身を含む): 38725926400

約数和(自身を除く): 18489504972

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 157, 314, 589, 628, 1178, 2356, 2983, 4867, 5966, 9734, 11932, 19468, 54709, 92473, 109418, 184946, 218836, 369892, 1039471, 1695979, 2078942, 3391958, 4157884, 6783916, 8589313, 17178626, 32223601, 34357252, 64447202, 128894404, 163196947, 266268703, 326393894, 532537406, 652787788, 1065074812, 5059105357, 10118210714, 20236421428]

約数ペア:

[(1, 20236421428), (2, 10118210714), (4, 5059105357), (19, 1065074812), (31, 652787788), (38, 532537406), (62, 326393894), (76, 266268703), (124, 163196947), (157, 128894404), (314, 64447202), (589, 34357252), (628, 32223601), (1178, 17178626), (2356, 8589313), (2983, 6783916), (4867, 4157884), (5966, 3391958), (9734, 2078942), (11932, 1695979), (19468, 1039471), (54709, 369892), (92473, 218836), (109418, 184946)]