20538553650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{13691}}^1$

素因数の和:13916

約数の個数: 96

約数和(自身を含む): 52014045888

約数和(自身を除く): 31475492238

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 73, 75, 137, 146, 150, 219, 274, 365, 411, 438, 685, 730, 822, 1095, 1370, 1825, 2055, 2190, 3425, 3650, 4110, 5475, 6850, 10001, 10275, 10950, 13691, 20002, 20550, 27382, 30003, 41073, 50005, 60006, 68455, 82146, 100010, 136910, 150015, 205365, 250025, 300030, 342275, 410730, 500050, 684550, 750075, 999443, 1026825, 1500150, 1875667, 1998886, 2053650, 2998329, 3751334, 4997215, 5627001, 5996658, 9378335, 9994430, 11254002, 14991645, 18756670, 24986075, 28135005, 29983290, 46891675, 49972150, 56270010, 74958225, 93783350, 136923691, 140675025, 149916450, 273847382, 281350050, 410771073, 684618455, 821542146, 1369236910, 2053855365, 3423092275, 4107710730, 6846184550, 10269276825, 20538553650]

約数ペア:

[(1, 20538553650), (2, 10269276825), (3, 6846184550), (5, 4107710730), (6, 3423092275), (10, 2053855365), (15, 1369236910), (25, 821542146), (30, 684618455), (50, 410771073), (73, 281350050), (75, 273847382), (137, 149916450), (146, 140675025), (150, 136923691), (219, 93783350), (274, 74958225), (365, 56270010), (411, 49972150), (438, 46891675), (685, 29983290), (730, 28135005), (822, 24986075), (1095, 18756670), (1370, 14991645), (1825, 11254002), (2055, 9994430), (2190, 9378335), (3425, 5996658), (3650, 5627001), (4110, 4997215), (5475, 3751334), (6850, 2998329), (10001, 2053650), (10275, 1998886), (10950, 1875667), (13691, 1500150), (20002, 1026825), (20550, 999443), (27382, 750075), (30003, 684550), (41073, 500050), (50005, 410730), (60006, 342275), (68455, 300030), (82146, 250025), (100010, 205365), (136910, 150015)]