20114445

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 37497600

約数和(自身を除く): 17383155

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 61, 65, 89, 95, 183, 195, 247, 267, 285, 305, 445, 741, 793, 915, 1157, 1159, 1235, 1335, 1691, 2379, 3471, 3477, 3705, 3965, 5073, 5429, 5785, 5795, 8455, 11895, 15067, 16287, 17355, 17385, 21983, 25365, 27145, 45201, 65949, 70577, 75335, 81435, 103151, 109915, 211731, 226005, 309453, 329745, 352885, 515755, 1058655, 1340963, 1547265, 4022889, 6704815, 20114445]

約数ペア:

[(1, 20114445), (3, 6704815), (5, 4022889), (13, 1547265), (15, 1340963), (19, 1058655), (39, 515755), (57, 352885), (61, 329745), (65, 309453), (89, 226005), (95, 211731), (183, 109915), (195, 103151), (247, 81435), (267, 75335), (285, 70577), (305, 65949), (445, 45201), (741, 27145), (793, 25365), (915, 21983), (1157, 17385), (1159, 17355), (1235, 16287), (1335, 15067), (1691, 11895), (2379, 8455), (3471, 5795), (3477, 5785), (3705, 5429), (3965, 5073)]