20236420155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1\times {\mathrm{491}}^1$

素因数の和:881

約数の個数: 128

約数和(自身を含む): 39705108480

約数和(自身を除く): 19468688325

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 73, 95, 105, 133, 219, 283, 285, 365, 399, 491, 511, 665, 849, 1095, 1387, 1415, 1473, 1533, 1981, 1995, 2455, 2555, 3437, 4161, 4245, 5377, 5943, 6935, 7365, 7665, 9329, 9709, 9905, 10311, 16131, 17185, 20659, 20805, 26885, 27987, 29127, 29715, 35843, 37639, 46645, 48545, 51555, 61977, 65303, 80655, 103295, 107529, 112917, 138953, 139935, 144613, 145635, 179215, 188195, 195909, 250901, 309885, 326515, 392521, 416859, 433839, 537645, 564585, 681017, 694765, 723065, 752703, 972671, 979545, 1177563, 1254505, 1962605, 2043051, 2084295, 2169195, 2640107, 2747647, 2918013, 3405085, 3763515, 4767119, 4863355, 5887815, 7920321, 8242941, 10143569, 10215255, 13200535, 13738235, 14301357, 14590065, 18480749, 23835595, 30430707, 39601605, 41214705, 50717845, 55442247, 71004983, 71506785, 92403745, 152153535, 192727811, 213014949, 277211235, 355024915, 578183433, 963639055, 1065074745, 1349094677, 2890917165, 4047284031, 6745473385, 20236420155]

約数ペア:

[(1, 20236420155), (3, 6745473385), (5, 4047284031), (7, 2890917165), (15, 1349094677), (19, 1065074745), (21, 963639055), (35, 578183433), (57, 355024915), (73, 277211235), (95, 213014949), (105, 192727811), (133, 152153535), (219, 92403745), (283, 71506785), (285, 71004983), (365, 55442247), (399, 50717845), (491, 41214705), (511, 39601605), (665, 30430707), (849, 23835595), (1095, 18480749), (1387, 14590065), (1415, 14301357), (1473, 13738235), (1533, 13200535), (1981, 10215255), (1995, 10143569), (2455, 8242941), (2555, 7920321), (3437, 5887815), (4161, 4863355), (4245, 4767119), (5377, 3763515), (5943, 3405085), (6935, 2918013), (7365, 2747647), (7665, 2640107), (9329, 2169195), (9709, 2084295), (9905, 2043051), (10311, 1962605), (16131, 1254505), (17185, 1177563), (20659, 979545), (20805, 972671), (26885, 752703), (27987, 723065), (29127, 694765), (29715, 681017), (35843, 564585), (37639, 537645), (46645, 433839), (48545, 416859), (51555, 392521), (61977, 326515), (65303, 309885), (80655, 250901), (103295, 195909), (107529, 188195), (112917, 179215), (138953, 145635), (139935, 144613)]