20173321060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{283}}^1\times {\mathrm{1721}}^1$

素因数の和:2141

約数の個数: 96

約数和(自身を含む): 45188035200

約数和(自身を除く): 25014714140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 218, 283, 380, 436, 545, 566, 1090, 1132, 1415, 1721, 2071, 2180, 2830, 3442, 4142, 5377, 5660, 6884, 8284, 8605, 10355, 10754, 17210, 20710, 21508, 26885, 30847, 32699, 34420, 41420, 53770, 61694, 65398, 107540, 123388, 130796, 154235, 163495, 187589, 308470, 326990, 375178, 487043, 586093, 616940, 653980, 750356, 937945, 974086, 1172186, 1875890, 1948172, 2344372, 2435215, 2930465, 3564191, 3751780, 4870430, 5860930, 7128382, 9253817, 9740860, 11721860, 14256764, 17820955, 18507634, 35641910, 37015268, 46269085, 53087687, 71283820, 92538170, 106175374, 185076340, 212350748, 265438435, 530876870, 1008666053, 1061753740, 2017332106, 4034664212, 5043330265, 10086660530, 20173321060]

約数ペア:

[(1, 20173321060), (2, 10086660530), (4, 5043330265), (5, 4034664212), (10, 2017332106), (19, 1061753740), (20, 1008666053), (38, 530876870), (76, 265438435), (95, 212350748), (109, 185076340), (190, 106175374), (218, 92538170), (283, 71283820), (380, 53087687), (436, 46269085), (545, 37015268), (566, 35641910), (1090, 18507634), (1132, 17820955), (1415, 14256764), (1721, 11721860), (2071, 9740860), (2180, 9253817), (2830, 7128382), (3442, 5860930), (4142, 4870430), (5377, 3751780), (5660, 3564191), (6884, 2930465), (8284, 2435215), (8605, 2344372), (10355, 1948172), (10754, 1875890), (17210, 1172186), (20710, 974086), (21508, 937945), (26885, 750356), (30847, 653980), (32699, 616940), (34420, 586093), (41420, 487043), (53770, 375178), (61694, 326990), (65398, 308470), (107540, 187589), (123388, 163495), (130796, 154235)]