20098548

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 53114880

約数和(自身を除く): 33016332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 79, 111, 148, 158, 191, 222, 237, 316, 333, 382, 444, 474, 573, 666, 711, 764, 948, 1146, 1332, 1422, 1719, 2292, 2844, 2923, 3438, 5846, 6876, 7067, 8769, 11692, 14134, 15089, 17538, 21201, 26307, 28268, 30178, 35076, 42402, 45267, 52614, 60356, 63603, 84804, 90534, 105228, 127206, 135801, 181068, 254412, 271602, 543204, 558293, 1116586, 1674879, 2233172, 3349758, 5024637, 6699516, 10049274, 20098548]

約数ペア:

[(1, 20098548), (2, 10049274), (3, 6699516), (4, 5024637), (6, 3349758), (9, 2233172), (12, 1674879), (18, 1116586), (36, 558293), (37, 543204), (74, 271602), (79, 254412), (111, 181068), (148, 135801), (158, 127206), (191, 105228), (222, 90534), (237, 84804), (316, 63603), (333, 60356), (382, 52614), (444, 45267), (474, 42402), (573, 35076), (666, 30178), (711, 28268), (764, 26307), (948, 21201), (1146, 17538), (1332, 15089), (1422, 14134), (1719, 11692), (2292, 8769), (2844, 7067), (2923, 6876), (3438, 5846)]