20996475255

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{3319}}^1$

素因数の和:3514

約数の個数: 144

約数和(自身を含む): 44872588800

約数和(自身を除く): 23876113545

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 49, 57, 63, 95, 105, 133, 147, 151, 171, 245, 285, 315, 399, 441, 453, 665, 735, 755, 855, 931, 1057, 1197, 1359, 1995, 2205, 2265, 2793, 2869, 3171, 3319, 4655, 5285, 5985, 6795, 7399, 8379, 8607, 9513, 9957, 13965, 14345, 15855, 16595, 20083, 22197, 23233, 25821, 29871, 36995, 41895, 43035, 47565, 49785, 60249, 63061, 66591, 69699, 100415, 110985, 116165, 129105, 140581, 149355, 162631, 180747, 189183, 209097, 301245, 315305, 332955, 348495, 421743, 441427, 487893, 501169, 567549, 702905, 813155, 903735, 945915, 1045485, 1265229, 1324281, 1463679, 1503507, 2108715, 2207135, 2439465, 2505845, 2837745, 3089989, 3508183, 3972843, 4510521, 6326145, 6621405, 7318395, 7517535, 9269967, 9522211, 10524549, 15449945, 17540915, 19864215, 22552605, 24557281, 27809901, 28566633, 31573647, 46349835, 47611055, 52622745, 66655477, 73671843, 85699899, 122786405, 139049505, 142833165, 157868235, 199966431, 221015529, 333277385, 368359215, 428499495, 466588339, 599899293, 999832155, 1105077645, 1399765017, 2332941695, 2999496465, 4199295051, 6998825085, 20996475255]

約数ペア:

[(1, 20996475255), (3, 6998825085), (5, 4199295051), (7, 2999496465), (9, 2332941695), (15, 1399765017), (19, 1105077645), (21, 999832155), (35, 599899293), (45, 466588339), (49, 428499495), (57, 368359215), (63, 333277385), (95, 221015529), (105, 199966431), (133, 157868235), (147, 142833165), (151, 139049505), (171, 122786405), (245, 85699899), (285, 73671843), (315, 66655477), (399, 52622745), (441, 47611055), (453, 46349835), (665, 31573647), (735, 28566633), (755, 27809901), (855, 24557281), (931, 22552605), (1057, 19864215), (1197, 17540915), (1359, 15449945), (1995, 10524549), (2205, 9522211), (2265, 9269967), (2793, 7517535), (2869, 7318395), (3171, 6621405), (3319, 6326145), (4655, 4510521), (5285, 3972843), (5985, 3508183), (6795, 3089989), (7399, 2837745), (8379, 2505845), (8607, 2439465), (9513, 2207135), (9957, 2108715), (13965, 1503507), (14345, 1463679), (15855, 1324281), (16595, 1265229), (20083, 1045485), (22197, 945915), (23233, 903735), (25821, 813155), (29871, 702905), (36995, 567549), (41895, 501169), (43035, 487893), (47565, 441427), (49785, 421743), (60249, 348495), (63061, 332955), (66591, 315305), (69699, 301245), (100415, 209097), (110985, 189183), (116165, 180747), (129105, 162631), (140581, 149355)]