20118553875

素因数分解:

$3^3\times 5^3\times 7^1\times {\mathrm{503}}^1\times {\mathrm{1693}}^1$

素因数の和:2227

約数の個数: 128

約数和(自身を含む): 42620497920

約数和(自身を除く): 22501944045

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 125, 135, 175, 189, 225, 315, 375, 503, 525, 675, 875, 945, 1125, 1509, 1575, 1693, 2515, 2625, 3375, 3521, 4527, 4725, 5079, 7545, 7875, 8465, 10563, 11851, 12575, 13581, 15237, 17605, 22635, 23625, 25395, 31689, 35553, 37725, 42325, 45711, 52815, 59255, 62875, 67905, 76185, 88025, 95067, 106659, 113175, 126975, 158445, 177765, 188625, 211625, 228555, 264075, 296275, 319977, 339525, 380925, 440125, 475335, 533295, 565875, 634875, 792225, 851579, 888825, 1142775, 1320375, 1481375, 1599885, 1697625, 1904625, 2376675, 2554737, 2666475, 3961125, 4257895, 4444125, 5713875, 5961053, 7664211, 7999425, 11883375, 12773685, 13332375, 17883159, 21289475, 22992633, 29805265, 38321055, 39997125, 53649477, 63868425, 89415795, 106447375, 114963165, 149026325, 160948431, 191605275, 268247385, 319342125, 447078975, 574815825, 745131625, 804742155, 958026375, 1341236925, 2235394875, 2874079125, 4023710775, 6706184625, 20118553875]

約数ペア:

[(1, 20118553875), (3, 6706184625), (5, 4023710775), (7, 2874079125), (9, 2235394875), (15, 1341236925), (21, 958026375), (25, 804742155), (27, 745131625), (35, 574815825), (45, 447078975), (63, 319342125), (75, 268247385), (105, 191605275), (125, 160948431), (135, 149026325), (175, 114963165), (189, 106447375), (225, 89415795), (315, 63868425), (375, 53649477), (503, 39997125), (525, 38321055), (675, 29805265), (875, 22992633), (945, 21289475), (1125, 17883159), (1509, 13332375), (1575, 12773685), (1693, 11883375), (2515, 7999425), (2625, 7664211), (3375, 5961053), (3521, 5713875), (4527, 4444125), (4725, 4257895), (5079, 3961125), (7545, 2666475), (7875, 2554737), (8465, 2376675), (10563, 1904625), (11851, 1697625), (12575, 1599885), (13581, 1481375), (15237, 1320375), (17605, 1142775), (22635, 888825), (23625, 851579), (25395, 792225), (31689, 634875), (35553, 565875), (37725, 533295), (42325, 475335), (45711, 440125), (52815, 380925), (59255, 339525), (62875, 319977), (67905, 296275), (76185, 264075), (88025, 228555), (95067, 211625), (106659, 188625), (113175, 177765), (126975, 158445)]