20856854772

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{730589}}^1$

素因数の和:730673

約数の個数: 72

約数和(自身を含む): 57707842920

約数和(自身を除く): 36850988148

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 61, 78, 117, 122, 156, 183, 234, 244, 366, 468, 549, 732, 793, 1098, 1586, 2196, 2379, 3172, 4758, 7137, 9516, 14274, 28548, 730589, 1461178, 2191767, 2922356, 4383534, 6575301, 8767068, 9497657, 13150602, 18995314, 26301204, 28492971, 37990628, 44565929, 56985942, 85478913, 89131858, 113971884, 133697787, 170957826, 178263716, 267395574, 341915652, 401093361, 534791148, 579357077, 802186722, 1158714154, 1604373444, 1738071231, 2317428308, 3476142462, 5214213693, 6952284924, 10428427386, 20856854772]

約数ペア:

[(1, 20856854772), (2, 10428427386), (3, 6952284924), (4, 5214213693), (6, 3476142462), (9, 2317428308), (12, 1738071231), (13, 1604373444), (18, 1158714154), (26, 802186722), (36, 579357077), (39, 534791148), (52, 401093361), (61, 341915652), (78, 267395574), (117, 178263716), (122, 170957826), (156, 133697787), (183, 113971884), (234, 89131858), (244, 85478913), (366, 56985942), (468, 44565929), (549, 37990628), (732, 28492971), (793, 26301204), (1098, 18995314), (1586, 13150602), (2196, 9497657), (2379, 8767068), (3172, 6575301), (4758, 4383534), (7137, 2922356), (9516, 2191767), (14274, 1461178), (28548, 730589)]