20782968962

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1\times {\mathrm{5059}}^1$

素因数の和:5547

約数の個数: 64

約数和(自身を含む): 38743246080

約数和(自身を除く): 17960277118

約数列:

[1, 2, 7, 14, 17, 34, 41, 82, 119, 238, 287, 421, 574, 697, 842, 1394, 2947, 4879, 5059, 5894, 7157, 9758, 10118, 14314, 17261, 34522, 35413, 50099, 70826, 86003, 100198, 120827, 172006, 207419, 241654, 293437, 414838, 586874, 602021, 1204042, 1451933, 2054059, 2129839, 2903866, 3526123, 4108118, 4259678, 7052246, 14908873, 24682861, 29817746, 36207263, 49365722, 72414526, 87323399, 174646798, 253450841, 506901682, 611263793, 1222527586, 1484497783, 2968995566, 10391484481, 20782968962]

約数ペア:

[(1, 20782968962), (2, 10391484481), (7, 2968995566), (14, 1484497783), (17, 1222527586), (34, 611263793), (41, 506901682), (82, 253450841), (119, 174646798), (238, 87323399), (287, 72414526), (421, 49365722), (574, 36207263), (697, 29817746), (842, 24682861), (1394, 14908873), (2947, 7052246), (4879, 4259678), (5059, 4108118), (5894, 3526123), (7157, 2903866), (9758, 2129839), (10118, 2054059), (14314, 1451933), (17261, 1204042), (34522, 602021), (35413, 586874), (50099, 414838), (70826, 293437), (86003, 241654), (100198, 207419), (120827, 172006)]