20165037478

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1\times {\mathrm{16879}}^1$

素因数の和:17260

約数の個数: 32

約数和(自身を含む): 32207040000

約数和(自身を除く): 12042002522

約数列:

[1, 2, 19, 38, 149, 211, 298, 422, 2831, 4009, 5662, 8018, 16879, 31439, 33758, 62878, 320701, 597341, 641402, 1194682, 2514971, 3561469, 5029942, 7122938, 47784449, 67667911, 95568898, 135335822, 530658881, 1061317762, 10082518739, 20165037478]

約数ペア:

[(1, 20165037478), (2, 10082518739), (19, 1061317762), (38, 530658881), (149, 135335822), (211, 95568898), (298, 67667911), (422, 47784449), (2831, 7122938), (4009, 5029942), (5662, 3561469), (8018, 2514971), (16879, 1194682), (31439, 641402), (33758, 597341), (62878, 320701)]