20888916

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{241}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 50738688

約数和(自身を除く): 29849772

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 233, 241, 372, 466, 482, 699, 723, 932, 964, 1398, 1446, 2796, 2892, 7223, 7471, 14446, 14942, 21669, 22413, 28892, 29884, 43338, 44826, 56153, 86676, 89652, 112306, 168459, 224612, 336918, 673836, 1740743, 3481486, 5222229, 6962972, 10444458, 20888916]

約数ペア:

[(1, 20888916), (2, 10444458), (3, 6962972), (4, 5222229), (6, 3481486), (12, 1740743), (31, 673836), (62, 336918), (93, 224612), (124, 168459), (186, 112306), (233, 89652), (241, 86676), (372, 56153), (466, 44826), (482, 43338), (699, 29884), (723, 28892), (932, 22413), (964, 21669), (1398, 14942), (1446, 14446), (2796, 7471), (2892, 7223)]