20165868

素因数分解:

$2^2\times 3^3\times {\mathrm{61}}^1\times {\mathrm{3061}}^1$

素因数の和:3135

約数の個数: 48

約数和(自身を含む): 53156320

約数和(自身を除く): 32990452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 108, 122, 183, 244, 366, 549, 732, 1098, 1647, 2196, 3061, 3294, 6122, 6588, 9183, 12244, 18366, 27549, 36732, 55098, 82647, 110196, 165294, 186721, 330588, 373442, 560163, 746884, 1120326, 1680489, 2240652, 3360978, 5041467, 6721956, 10082934, 20165868]

約数ペア:

[(1, 20165868), (2, 10082934), (3, 6721956), (4, 5041467), (6, 3360978), (9, 2240652), (12, 1680489), (18, 1120326), (27, 746884), (36, 560163), (54, 373442), (61, 330588), (108, 186721), (122, 165294), (183, 110196), (244, 82647), (366, 55098), (549, 36732), (732, 27549), (1098, 18366), (1647, 12244), (2196, 9183), (3061, 6588), (3294, 6122)]