20194157296

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{457}}^1\times {\mathrm{1061}}^1$

素因数の和:1682

約数の個数: 80

約数和(自身を含む): 41616041760

約数和(自身を除く): 21421884464

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 137, 152, 274, 304, 457, 548, 914, 1061, 1096, 1828, 2122, 2192, 2603, 3656, 4244, 5206, 7312, 8488, 8683, 10412, 16976, 17366, 20159, 20824, 34732, 40318, 41648, 62609, 69464, 80636, 125218, 138928, 145357, 161272, 250436, 290714, 322544, 484877, 500872, 581428, 969754, 1001744, 1162856, 1189571, 1939508, 2325712, 2379142, 2761783, 3879016, 4758284, 5523566, 7758032, 9212663, 9516568, 11047132, 18425326, 19033136, 22094264, 36850652, 44188528, 66428149, 73701304, 132856298, 147402608, 265712596, 531425192, 1062850384, 1262134831, 2524269662, 5048539324, 10097078648, 20194157296]

約数ペア:

[(1, 20194157296), (2, 10097078648), (4, 5048539324), (8, 2524269662), (16, 1262134831), (19, 1062850384), (38, 531425192), (76, 265712596), (137, 147402608), (152, 132856298), (274, 73701304), (304, 66428149), (457, 44188528), (548, 36850652), (914, 22094264), (1061, 19033136), (1096, 18425326), (1828, 11047132), (2122, 9516568), (2192, 9212663), (2603, 7758032), (3656, 5523566), (4244, 4758284), (5206, 3879016), (7312, 2761783), (8488, 2379142), (8683, 2325712), (10412, 1939508), (16976, 1189571), (17366, 1162856), (20159, 1001744), (20824, 969754), (34732, 581428), (40318, 500872), (41648, 484877), (62609, 322544), (69464, 290714), (80636, 250436), (125218, 161272), (138928, 145357)]