20573784

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1237}}^1$

素因数の和:1270

約数の個数: 128

約数和(自身を含む): 71308800

約数和(自身を除く): 50735016

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 27, 28, 33, 36, 42, 44, 54, 56, 63, 66, 72, 77, 84, 88, 99, 108, 126, 132, 154, 168, 189, 198, 216, 231, 252, 264, 297, 308, 378, 396, 462, 504, 594, 616, 693, 756, 792, 924, 1188, 1237, 1386, 1512, 1848, 2079, 2376, 2474, 2772, 3711, 4158, 4948, 5544, 7422, 8316, 8659, 9896, 11133, 13607, 14844, 16632, 17318, 22266, 25977, 27214, 29688, 33399, 34636, 40821, 44532, 51954, 54428, 66798, 69272, 77931, 81642, 89064, 95249, 103908, 108856, 122463, 133596, 155862, 163284, 190498, 207816, 233793, 244926, 267192, 285747, 311724, 326568, 367389, 380996, 467586, 489852, 571494, 623448, 734778, 761992, 857241, 935172, 979704, 1142988, 1469556, 1714482, 1870344, 2285976, 2571723, 2939112, 3428964, 5143446, 6857928, 10286892, 20573784]

約数ペア:

[(1, 20573784), (2, 10286892), (3, 6857928), (4, 5143446), (6, 3428964), (7, 2939112), (8, 2571723), (9, 2285976), (11, 1870344), (12, 1714482), (14, 1469556), (18, 1142988), (21, 979704), (22, 935172), (24, 857241), (27, 761992), (28, 734778), (33, 623448), (36, 571494), (42, 489852), (44, 467586), (54, 380996), (56, 367389), (63, 326568), (66, 311724), (72, 285747), (77, 267192), (84, 244926), (88, 233793), (99, 207816), (108, 190498), (126, 163284), (132, 155862), (154, 133596), (168, 122463), (189, 108856), (198, 103908), (216, 95249), (231, 89064), (252, 81642), (264, 77931), (297, 69272), (308, 66798), (378, 54428), (396, 51954), (462, 44532), (504, 40821), (594, 34636), (616, 33399), (693, 29688), (756, 27214), (792, 25977), (924, 22266), (1188, 17318), (1237, 16632), (1386, 14844), (1512, 13607), (1848, 11133), (2079, 9896), (2376, 8659), (2474, 8316), (2772, 7422), (3711, 5544), (4158, 4948)]