20166790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:349

約数の個数: 64

約数和(自身を含む): 44582400

約数和(自身を除く): 24415610

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 59, 70, 95, 118, 133, 190, 257, 266, 295, 413, 514, 590, 665, 826, 1121, 1285, 1330, 1799, 2065, 2242, 2570, 3598, 4130, 4883, 5605, 7847, 8995, 9766, 11210, 15163, 15694, 17990, 24415, 30326, 34181, 39235, 48830, 68362, 75815, 78470, 106141, 151630, 170905, 212282, 288097, 341810, 530705, 576194, 1061410, 1440485, 2016679, 2880970, 4033358, 10083395, 20166790]

約数ペア:

[(1, 20166790), (2, 10083395), (5, 4033358), (7, 2880970), (10, 2016679), (14, 1440485), (19, 1061410), (35, 576194), (38, 530705), (59, 341810), (70, 288097), (95, 212282), (118, 170905), (133, 151630), (190, 106141), (257, 78470), (266, 75815), (295, 68362), (413, 48830), (514, 39235), (590, 34181), (665, 30326), (826, 24415), (1121, 17990), (1285, 15694), (1330, 15163), (1799, 11210), (2065, 9766), (2242, 8995), (2570, 7847), (3598, 5605), (4130, 4883)]