20185191904

素因数分解:

$2^5\times {\mathrm{421}}^1\times {\mathrm{439}}^1\times {\mathrm{3413}}^1$

素因数の和:4283

約数の個数: 48

約数和(自身を含む): 39936425760

約数和(自身を除く): 19751233856

約数列:

[1, 2, 4, 8, 16, 32, 421, 439, 842, 878, 1684, 1756, 3368, 3413, 3512, 6736, 6826, 7024, 13472, 13652, 14048, 27304, 54608, 109216, 184819, 369638, 739276, 1436873, 1478552, 1498307, 2873746, 2957104, 2996614, 5747492, 5914208, 5993228, 11494984, 11986456, 22989968, 23972912, 45979936, 47945824, 630787247, 1261574494, 2523148988, 5046297976, 10092595952, 20185191904]

約数ペア:

[(1, 20185191904), (2, 10092595952), (4, 5046297976), (8, 2523148988), (16, 1261574494), (32, 630787247), (421, 47945824), (439, 45979936), (842, 23972912), (878, 22989968), (1684, 11986456), (1756, 11494984), (3368, 5993228), (3413, 5914208), (3512, 5747492), (6736, 2996614), (6826, 2957104), (7024, 2873746), (13472, 1498307), (13652, 1478552), (14048, 1436873), (27304, 739276), (54608, 369638), (109216, 184819)]