20353068

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{523}}^1$

素因数の和:603

約数の個数: 72

約数和(自身を含む): 54931968

約数和(自身を除く): 34578900

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 47, 69, 92, 94, 138, 141, 188, 207, 276, 282, 414, 423, 523, 564, 828, 846, 1046, 1081, 1569, 1692, 2092, 2162, 3138, 3243, 4324, 4707, 6276, 6486, 9414, 9729, 12029, 12972, 18828, 19458, 24058, 24581, 36087, 38916, 48116, 49162, 72174, 73743, 98324, 108261, 144348, 147486, 216522, 221229, 294972, 433044, 442458, 565363, 884916, 1130726, 1696089, 2261452, 3392178, 5088267, 6784356, 10176534, 20353068]

約数ペア:

[(1, 20353068), (2, 10176534), (3, 6784356), (4, 5088267), (6, 3392178), (9, 2261452), (12, 1696089), (18, 1130726), (23, 884916), (36, 565363), (46, 442458), (47, 433044), (69, 294972), (92, 221229), (94, 216522), (138, 147486), (141, 144348), (188, 108261), (207, 98324), (276, 73743), (282, 72174), (414, 49162), (423, 48116), (523, 38916), (564, 36087), (828, 24581), (846, 24058), (1046, 19458), (1081, 18828), (1569, 12972), (1692, 12029), (2092, 9729), (2162, 9414), (3138, 6486), (3243, 6276), (4324, 4707)]