20226772468

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{644411}}^1$

素因数の和:644500

約数の個数: 48

約数和(自身を含む): 43304486400

約数和(自身を除く): 23077713932

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 59, 76, 118, 133, 236, 266, 413, 532, 826, 1121, 1652, 2242, 4484, 7847, 15694, 31388, 644411, 1288822, 2577644, 4510877, 9021754, 12243809, 18043508, 24487618, 38020249, 48975236, 76040498, 85706663, 152080996, 171413326, 266141743, 342826652, 532283486, 722384731, 1064566972, 1444769462, 2889538924, 5056693117, 10113386234, 20226772468]

約数ペア:

[(1, 20226772468), (2, 10113386234), (4, 5056693117), (7, 2889538924), (14, 1444769462), (19, 1064566972), (28, 722384731), (38, 532283486), (59, 342826652), (76, 266141743), (118, 171413326), (133, 152080996), (236, 85706663), (266, 76040498), (413, 48975236), (532, 38020249), (826, 24487618), (1121, 18043508), (1652, 12243809), (2242, 9021754), (4484, 4510877), (7847, 2577644), (15694, 1288822), (31388, 644411)]