20185967365

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{8111}}^1$

素因数の和:8242

約数の個数: 64

約数和(自身を含む): 28595773440

約数和(自身を除く): 8409806075

約数列:

[1, 5, 17, 19, 23, 67, 85, 95, 115, 323, 335, 391, 437, 1139, 1273, 1541, 1615, 1955, 2185, 5695, 6365, 7429, 7705, 8111, 21641, 26197, 29279, 37145, 40555, 108205, 130985, 137887, 146395, 154109, 186553, 497743, 543437, 689435, 770545, 932765, 2488715, 2619853, 2717185, 3171401, 3544507, 9238429, 10325303, 12499051, 13099265, 15857005, 17722535, 46192145, 51626515, 60256619, 62495255, 175530151, 212483867, 237481969, 301283095, 877650755, 1062419335, 1187409845, 4037193473, 20185967365]

約数ペア:

[(1, 20185967365), (5, 4037193473), (17, 1187409845), (19, 1062419335), (23, 877650755), (67, 301283095), (85, 237481969), (95, 212483867), (115, 175530151), (323, 62495255), (335, 60256619), (391, 51626515), (437, 46192145), (1139, 17722535), (1273, 15857005), (1541, 13099265), (1615, 12499051), (1955, 10325303), (2185, 9238429), (5695, 3544507), (6365, 3171401), (7429, 2717185), (7705, 2619853), (8111, 2488715), (21641, 932765), (26197, 770545), (29279, 689435), (37145, 543437), (40555, 497743), (108205, 186553), (130985, 154109), (137887, 146395)]