20218173612

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61511}}^1$

素因数の和:61588

約数の個数: 144

約数和(自身を含む): 60474661632

約数和(自身を除く): 40256488020

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 43, 49, 52, 78, 84, 86, 91, 98, 129, 147, 156, 172, 182, 196, 258, 273, 294, 301, 364, 516, 546, 559, 588, 602, 637, 903, 1092, 1118, 1204, 1274, 1677, 1806, 1911, 2107, 2236, 2548, 3354, 3612, 3822, 3913, 4214, 6321, 6708, 7644, 7826, 8428, 11739, 12642, 15652, 23478, 25284, 27391, 46956, 54782, 61511, 82173, 109564, 123022, 164346, 184533, 246044, 328692, 369066, 430577, 738132, 799643, 861154, 1291731, 1599286, 1722308, 2398929, 2583462, 2644973, 3014039, 3198572, 4797858, 5166924, 5289946, 5597501, 6028078, 7934919, 9042117, 9595716, 10579892, 11195002, 12056156, 15869838, 16792503, 18084234, 18514811, 22390004, 31739676, 33585006, 34384649, 36168468, 37029622, 39182507, 55544433, 67170012, 68769298, 74059244, 78365014, 103153947, 111088866, 117547521, 129603677, 137538596, 156730028, 206307894, 222177732, 235095042, 240692543, 259207354, 388811031, 412615788, 470190084, 481385086, 518414708, 722077629, 777622062, 962770172, 1444155258, 1555244124, 1684847801, 2888310516, 3369695602, 5054543403, 6739391204, 10109086806, 20218173612]

約数ペア:

[(1, 20218173612), (2, 10109086806), (3, 6739391204), (4, 5054543403), (6, 3369695602), (7, 2888310516), (12, 1684847801), (13, 1555244124), (14, 1444155258), (21, 962770172), (26, 777622062), (28, 722077629), (39, 518414708), (42, 481385086), (43, 470190084), (49, 412615788), (52, 388811031), (78, 259207354), (84, 240692543), (86, 235095042), (91, 222177732), (98, 206307894), (129, 156730028), (147, 137538596), (156, 129603677), (172, 117547521), (182, 111088866), (196, 103153947), (258, 78365014), (273, 74059244), (294, 68769298), (301, 67170012), (364, 55544433), (516, 39182507), (546, 37029622), (559, 36168468), (588, 34384649), (602, 33585006), (637, 31739676), (903, 22390004), (1092, 18514811), (1118, 18084234), (1204, 16792503), (1274, 15869838), (1677, 12056156), (1806, 11195002), (1911, 10579892), (2107, 9595716), (2236, 9042117), (2548, 7934919), (3354, 6028078), (3612, 5597501), (3822, 5289946), (3913, 5166924), (4214, 4797858), (6321, 3198572), (6708, 3014039), (7644, 2644973), (7826, 2583462), (8428, 2398929), (11739, 1722308), (12642, 1599286), (15652, 1291731), (23478, 861154), (25284, 799643), (27391, 738132), (46956, 430577), (54782, 369066), (61511, 328692), (82173, 246044), (109564, 184533), (123022, 164346)]