20945628

素因数分解:

$2^2\times 3^6\times {\mathrm{11}}^1\times {\mathrm{653}}^1$

素因数の和:686

約数の個数: 84

約数和(自身を含む): 60045048

約数和(自身を除く): 39099420

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 81, 99, 108, 132, 162, 198, 243, 297, 324, 396, 486, 594, 653, 729, 891, 972, 1188, 1306, 1458, 1782, 1959, 2612, 2673, 2916, 3564, 3918, 5346, 5877, 7183, 7836, 8019, 10692, 11754, 14366, 16038, 17631, 21549, 23508, 28732, 32076, 35262, 43098, 52893, 64647, 70524, 86196, 105786, 129294, 158679, 193941, 211572, 258588, 317358, 387882, 476037, 581823, 634716, 775764, 952074, 1163646, 1745469, 1904148, 2327292, 3490938, 5236407, 6981876, 10472814, 20945628]

約数ペア:

[(1, 20945628), (2, 10472814), (3, 6981876), (4, 5236407), (6, 3490938), (9, 2327292), (11, 1904148), (12, 1745469), (18, 1163646), (22, 952074), (27, 775764), (33, 634716), (36, 581823), (44, 476037), (54, 387882), (66, 317358), (81, 258588), (99, 211572), (108, 193941), (132, 158679), (162, 129294), (198, 105786), (243, 86196), (297, 70524), (324, 64647), (396, 52893), (486, 43098), (594, 35262), (653, 32076), (729, 28732), (891, 23508), (972, 21549), (1188, 17631), (1306, 16038), (1458, 14366), (1782, 11754), (1959, 10692), (2612, 8019), (2673, 7836), (2916, 7183), (3564, 5877), (3918, 5346)]